Medically reviewed by Drugs.com. Last updated on Jun 18, 2020.
(bay ta METH a sone)
- Betamet Acet/Betamet Na pH
- Betamethasone Acetate
- Betamethasone Sod Phos/Acetate
- Betamethasone Sodium Phosphate
Excipient information presented when available (limited, particularly for generics); consult specific product labeling.
BSP 0820: Betamethasone sodium phosphate 3 mg and betamethasone acetate 3 mg per 1 mL [contains benzalkonium chloride, disodium edta]
Pod-Care 100C: Betamethasone sodium phosphate 3 mg and betamethasone acetate 3 mg per 1 mL [contains benzalkonium chloride, disodium edta]
ReadySharp Betamethasone: Betamethasone sodium phosphate 3 mg and betamethasone acetate 3 mg per 1 mL [contains benzalkonium chloride, disodium edta]
Celestone Soluspan: Betamethasone sodium phosphate 3 mg and betamethasone acetate 3 mg per 1 mL (5 mL) [contains benzalkonium chloride, edetate disodium]
Generic: Betamethasone sodium phosphate 3 mg and betamethasone acetate 3 mg per 1 mL (5 mL)
Brand Names: U.S.
- BSP 0820
- Celestone Soluspan
- Pod-Care 100C
- ReadySharp Betamethasone
- Corticosteroid, Systemic
Controls the rate of protein synthesis; depresses the migration of polymorphonuclear leukocytes, fibroblasts; reverses capillary permeability and lysosomal stabilization at the cellular level to prevent or control inflammation
Hepatic (Peterson 1983)
Urine (<5% as unchanged drug) (Peterson 1983)
Time to Peak
Serum: IV: 10 to 36 minutes (Peterson 1983)
6.5 hours (Peterson 1983)
64% (Peterson 1983)
Use: Labeled Indications
Allergic states: Control of severe or incapacitating allergic conditions intractable to adequate trials of conventional treatment in asthma, atopic dermatitis, contact dermatitis, drug hypersensitivity reactions, perennial or seasonal allergic rhinitis, serum sickness, transfusion reactions
Dermatologic diseases: Bullous dermatitis herpetiformis, exfoliative erythroderma, mycosis fungoides, pemphigus, severe erythema multiforme (Stevens-Johnson syndrome)
Endocrine disorders: Congenital adrenal hyperplasia, hypercalcemia associated with cancer, nonsuppurative thyroiditis. Note: Hydrocortisone or cortisone is the drug of choice in primary or secondary adrenocortical insufficiency. Synthetic analogs may be used in conjunction with mineralocorticoids where applicable; in infancy mineralocorticoid supplementation is of particular importance
Gastrointestinal diseases: During acute episodes in regional enteritis and ulcerative colitis
Hematologic disorders: Acquired (autoimmune) hemolytic anemia, Diamond-Blackfan anemia, pure red cell aplasia, selected cases of secondary thrombocytopenia
Neoplastic diseases: Palliative management of leukemias and lymphomas
Nervous system: Acute exacerbations of multiple sclerosis; cerebral edema associated with primary or metastatic brain tumor or craniotomy. Note: Treatment guidelines recommend the use of high-dose IV or oral methylprednisolone for acute exacerbations of multiple sclerosis (AAN [Scott 2011]; NICE 2014).
Ophthalmic diseases: Sympathetic ophthalmia, temporal arteritis, uveitis and ocular inflammatory conditions unresponsive to topical corticosteroids
Renal diseases: To induce diuresis or remission of proteinuria in idiopathic nephrotic syndrome or that due to lupus erythematosus
Respiratory diseases: Berylliosis, fulminating or disseminated pulmonary tuberculosis when used concurrently with appropriate antituberculous chemotherapy, idiopathic eosinophilic pneumonias, symptomatic sarcoidosis
Rheumatic disorders: Adjunctive therapy for short-term administration in acute gout flares; acute rheumatic carditis; ankylosing spondylitis; psoriatic arthritis; rheumatoid arthritis, including juvenile rheumatoid arthritis (selected cases may require low-dose maintenance therapy); treatment of dermatomyositis, polymyositis, and systemic lupus erythematosus.
Miscellaneous: Trichinosis with neurologic or myocardial involvement, tuberculous meningitis with subarachnoid block or impending block when used with appropriate antituberculous chemotherapy
Intra-articular or soft tissue administration:
Adjunctive therapy for short-term administration in acute gout flares, acute and subacute bursitis, acute nonspecific tenosynovitis, epicondylitis, rheumatoid arthritis, synovitis of osteoarthritis
Treatment of alopecia areata; discoid lupus erythematosus; keloids; localized hypertrophic, infiltrated, inflammatory lesions of granuloma annulare, lichen planus, lichen simplex chronicus (neurodermatitis), and psoriatic plaques; necrobiosis lipoidica diabeticorum
Off Label Uses
Accelerate fetal lung maturation
According to systematic reviews of randomized controlled trials using betamethasone or dexamethasone, evidence supports the use of a single course of antenatal corticosteroids to accelerate fetal lung maturation in women at risk for preterm delivery, with no clear advantages found regarding use of one corticosteroid over another [Brownfoot 2013], [Roberts 2017].
Based on the American Congress of Obstetricians and Gynecologists (ACOG) practice bulletin for the management of premature rupture of membranes or preterm labor, the antenatal use of corticosteroids (eg, betamethasone) to accelerate fetal lung maturation is effective and recommended [ACOG 171 2016], [ACOG 217 2020], [ACOG 713 2017].
Hypersensitivity to any component of the formulation; IM administration contraindicated in immune thrombocytopenia (formerly known as idiopathic thrombocytopenic purpura).
Canadian labeling: Additional contraindications (not in US labeling): Herpes simplex of the eye; systemic fungal infections; vaccinia; cerebral malaria; use in areas with local infection.
Documentation of allergenic cross-reactivity for glucocorticoids is limited. However, because of similarities in chemical structure and/or pharmacologic actions, the possibility of cross-sensitivity cannot be ruled out with certainty.
Note: Dosages expressed as combined amount of betamethasone sodium phosphate and betamethasone acetate; 1 mg is equivalent to betamethasone sodium phosphate 0.5 mg and betamethasone acetate 0.5 mg.
Usual dosage range: IM: Initial: 0.25 to 9 mg/day (based on severity of disease and patient response).
Antenatal fetal maturation (off-label use): IM: 12 mg every 24 hours for a total of 2 doses (ACOG 171 2016). A single course of betamethasone is recommended for women between 24 and 34 weeks of gestation, including those with ruptured membranes or multiple gestations, who are at risk of delivering within 7 days. A single course may be appropriate in some women beginning at 23 weeks gestation or late preterm (between 34 0/7 weeks and 36 6/7 weeks gestation). A single repeat course may be considered in some women with pregnancies less than 34 weeks gestation at risk for delivery within 7 days and who had a course of antenatal corticosteroids >14 days prior (ACOG 171 2016; ACOG 217 2020; ACOG 713 2017).
Bursitis (other than of foot): Intra-articular: 3 to 6 mg (0.5 to 1 mL) for one dose; additional injections may be required for acute exacerbations or chronic conditions; generally, injections should be separated by a minimum of 4 to 6 weeks and limited to ≤4 injections per year. If symptoms are not improved after 1 or 2 injections, additional injections are unlikely to provide benefit (Cardone 2002); following resolution of acute episodes, reduced doses may be warranted for chronic conditions.
Dermatologic conditions: Intradermal: 1.2 mg/cm2 (0.2 mL/cm2) into lesion for one dose (maximum: 6 mg [1 mL] weekly).
Foot disorders: Intra-articular: 1.5 mg to 6 mg (0.25 to 1 mL) per dose. Dose is based upon condition; additional injections (when required) should generally be separated by a minimum of 4 to 6 weeks and limited to ≤4 injections per year. If symptoms are not improved after 1 or 2 injections, additional injections are unlikely to provide benefit (Cardone 2002):
Bursitis: 1.5 mg to 3 mg (0.25 to 0.5 mL).
Tenosynovitis: 3 mg (0.5 mL).
Acute gouty arthritis: 3 mg to 6 mg (0.5 to 1 mL).
Multiple sclerosis: Note: Treatment guidelines recommend the use of high-dose IV or oral methylprednisolone for acute exacerbations of multiple sclerosis (AAN [Scott 2011]; NICE 2014).
IM: 30 mg daily for 1 week, followed by 12 mg every other day for 4 weeks.
Rheumatoid and osteoarthritis: Intra-articular: 3 mg to 12 mg (0.5 to 2 mL) for one dose. Dose is based upon the joint size:
Very large (eg, hip): 6 to 12 mg (1 to 2 mL).
Large (eg, knee, ankle, shoulder): 6 mg (1 mL).
Medium (eg, elbow, wrist): 3 mg to 6 mg (0.5 to 1 mL).
Small (eg, inter- or metacarpophalangeal, sternoclavicular): 1.5 mg to 3 mg (0.25 to 0.5 mL).
Tenosynovitis (other than of foot), peritendinitis: Intra-articular: 1.5 to 6 mg (0.25 to 1 mL) depending on joint size for one dose (Cardone 2002; Churgay 2009; Waryasz 2017; manufacturer labeling); additional injections (when required) should generally be separated by a minimum of 4 to 6 weeks and limited to ≤4 injections per year. If symptoms are not improved after 1 or 2 injections, additional injections are unlikely to provide benefit (Cardone 2002; Waryasz 2017).
Dosage adjustment for concomitant therapy: Significant drug interactions exist, requiring dose/frequency adjustment or avoidance. Consult drug interactions database for more information.
Refer to adult dosing. Use the lowest effective dose.
Note: Dosages expressed as combined amount of betamethasone sodium phosphate and betamethasone acetate; 1 mg is equivalent to betamethasone sodium phosphate 0.5 mg and betamethasone acetate 0.5 mg. Dosage should be based on severity of disease and patient response; use lowest effective dose for shortest period of time to avoid HPA axis suppression
General dosing, treatment of inflammatory and allergic conditions: Infants, Children, and Adolescents: IM: Initial: 0.02 to 0.3 mg/kg/day (0.6 to 9 mg/m2/day) in 3 or 4 divided doses
Infantile hemangioma, severe: Limited data available: Infants and Children: Intralesional: Dosage dependent upon size of lesion: Commonly reported: 6 mg administered as a 6 mg/mL (in combination with triamcinolone injection) divided into multiple injections along the lesion perimeter; reported range: 1.5 to 18 mg/dose; doses usually administered every 8 to 14 weeks; reported range: 6 to 25 weeks (Buckmiller, 2008; Chowdri, 1994; Kushner, 1985; Praseyono, 2011). Dosing based on small trials and case-series, mostly reported in infants and children ≤4 years of age. The largest experience (n=70, age range: 2 months to 12 years) prospectively used a betamethasone/triamcinolone combination injection (1.5 to 18 mg betamethasone acetate) and showed that 89.23% of lesions with an initial volume <20 cc3 regressed by more than 50%, but only 22.2% of lesions with an initial volume >20 cc3 displayed a good or excellent response (Chowdri, 1994). Another trial (n=25, age range: 7 weeks to 2 years) used lower doses of 3 to 12 mg (in combination with triamcinolone); 16 patients experienced a marked response (Kushner, 1985).
Dosage adjustment for concomitant therapy: Significant drug interactions exist, requiring dose/frequency adjustment or avoidance. Consult drug interactions database for more information.
If suspension is coadministered with a local anesthetic, it may be mixed in syringe with 1% or 2% lidocaine HCl (without parabens) or similar parabens-free local anesthetic. Withdraw the dose of betamethasone suspension from the vial into the syringe, then draw up the local anesthetic into the syringe and shake the syringe briefly. Do not inject the local anesthetic directly into the suspension vial.
Note: Shake well prior to use.
IM: May be administered intramuscularly.
Intra-articular: Needle size requirements vary based on the size of the joint to be treated (eg, <25 gauge [hip, knee, shoulder], 25 gauge [wrist, ankle, elbow]) and/or method of administration (Rastogi 2016).
Bursitis: Inject into affected bursa.
Rheumatoid or osteoarthritis: Inject into synovial cavity.
Tendinitis/tenosynovitis: Inject into affected tendon sheaths (not directly into tendons).
Intradermal: Inject a uniform depot using a 1 mL (eg, tuberculin) syringe with 1/2-inch needle (typically 26 or 27 gauge) (Love 2006). Do not inject subcutaneously.
Store at 25°C (77°F); excursions are permitted between 15°C and 30°C (59°F and 86°F). Protect from light.
Acetylcholinesterase Inhibitors: Corticosteroids (Systemic) may enhance the adverse/toxic effect of Acetylcholinesterase Inhibitors. Increased muscular weakness may occur. Monitor therapy
Amphotericin B: Corticosteroids (Systemic) may enhance the hypokalemic effect of Amphotericin B. Monitor therapy
Androgens: Corticosteroids (Systemic) may enhance the fluid-retaining effect of Androgens. Monitor therapy
Antidiabetic Agents: Hyperglycemia-Associated Agents may diminish the therapeutic effect of Antidiabetic Agents. Monitor therapy
Aprepitant: May increase the serum concentration of Corticosteroids (Systemic). Management: No dose adjustment is needed for single 40 mg aprepitant doses. For other regimens, reduce oral dexamethasone or methylprednisolone doses by 50%, and IV methylprednisolone doses by 25%. Antiemetic regimens containing dexamethasone reflect this adjustment. Consider therapy modification
Axicabtagene Ciloleucel: Corticosteroids (Systemic) may diminish the therapeutic effect of Axicabtagene Ciloleucel. Management: Avoid use of corticosteroids as premedication before axicabtagene ciloleucel. Corticosteroids may, however, be required for treatment of cytokine release syndrome or neurologic toxicity. Consider therapy modification
Baricitinib: Immunosuppressants may enhance the immunosuppressive effect of Baricitinib. Management: Use of baricitinib in combination with potent immunosuppressants such as azathioprine or cyclosporine is not recommended. Concurrent use with antirheumatic doses of methotrexate or nonbiologic disease modifying antirheumatic drugs (DMARDs) is permitted. Consider therapy modification
BCG (Intravesical): Immunosuppressants may diminish the therapeutic effect of BCG (Intravesical). Avoid combination
Calcitriol (Systemic): Corticosteroids (Systemic) may diminish the therapeutic effect of Calcitriol (Systemic). Monitor therapy
Cladribine: May enhance the immunosuppressive effect of Immunosuppressants. Avoid combination
Coccidioides immitis Skin Test: Immunosuppressants may diminish the diagnostic effect of Coccidioides immitis Skin Test. Monitor therapy
Corticorelin: Corticosteroids (Systemic) may diminish the therapeutic effect of Corticorelin. Specifically, the plasma ACTH response to corticorelin may be blunted by recent or current corticosteroid therapy. Monitor therapy
Cosyntropin: Corticosteroids (Systemic) may diminish the diagnostic effect of Cosyntropin. Monitor therapy
CYP3A4 Inducers (Strong): May decrease the serum concentration of Corticosteroids (Systemic). Monitor therapy
CYP3A4 Inhibitors (Strong): May increase the serum concentration of Betamethasone (Systemic). Monitor therapy
Deferasirox: Corticosteroids (Systemic) may enhance the adverse/toxic effect of Deferasirox. Specifically, the risk for GI ulceration/irritation or GI bleeding may be increased. Monitor therapy
Denosumab: May enhance the adverse/toxic effect of Immunosuppressants. Specifically, the risk for serious infections may be increased. Monitor therapy
Desirudin: Corticosteroids (Systemic) may enhance the anticoagulant effect of Desirudin. More specifically, corticosteroids may increase hemorrhagic risk during desirudin treatment. Management: Discontinue treatment with systemic corticosteroids prior to desirudin initiation. If concomitant use cannot be avoided, monitor patients receiving these combinations closely for clinical and laboratory evidence of excessive anticoagulation. Consider therapy modification
Desmopressin: Corticosteroids (Systemic) may enhance the hyponatremic effect of Desmopressin. Avoid combination
DilTIAZem: May increase the serum concentration of Corticosteroids (Systemic). Monitor therapy
Echinacea: May diminish the therapeutic effect of Immunosuppressants. Management: Consider avoiding Echinacea in patients receiving therapeutic immunosuppressants. If coadministered, monitor for reduced efficacy of the immunosuppressant during concomitant use. Consider therapy modification
Estrogen Derivatives: May increase the serum concentration of Corticosteroids (Systemic). Monitor therapy
Fexinidazole [INT]: Corticosteroids (Systemic) may enhance the arrhythmogenic effect of Fexinidazole [INT]. Avoid combination
Fingolimod: Immunosuppressants may enhance the immunosuppressive effect of Fingolimod. Management: Avoid the concomitant use of fingolimod and other immunosuppressants when possible. If combined, monitor patients closely for additive immunosuppressant effects (eg, infections). Consider therapy modification
Fosaprepitant: May increase the serum concentration of Corticosteroids (Systemic). The active metabolite aprepitant is likely responsible for this effect. Management: Decrease oral dexamethasone or methylprednisolone dose by 50% during coadministration with fosaprepitant/aprepitant. Reduce intravenous methylprednisolone dose by 25% during coadministration with fosaprepitant/aprepitant. Consider therapy modification
Growth Hormone Analogs: Corticosteroids (Systemic) may diminish the therapeutic effect of Growth Hormone Analogs. Exceptions: Somapacitan. Monitor therapy
Hyaluronidase: Corticosteroids (Systemic) may diminish the therapeutic effect of Hyaluronidase. Management: Patients receiving corticosteroids (particularly at larger doses) may not experience the desired clinical response to standard doses of hyaluronidase. Larger doses of hyaluronidase may be required. Consider therapy modification
Indacaterol: May enhance the hypokalemic effect of Corticosteroids (Systemic). Monitor therapy
Indium 111 Capromab Pendetide: Corticosteroids (Systemic) may diminish the diagnostic effect of Indium 111 Capromab Pendetide. Avoid combination
Inebilizumab: May enhance the immunosuppressive effect of Immunosuppressants. Monitor therapy
Isoniazid: Corticosteroids (Systemic) may decrease the serum concentration of Isoniazid. Monitor therapy
Leflunomide: Immunosuppressants may enhance the adverse/toxic effect of Leflunomide. Specifically, the risk for hematologic toxicity such as pancytopenia, agranulocytosis, and/or thrombocytopenia may be increased. Management: Consider not using a leflunomide loading dose in patients receiving other immunosuppressants. Patients receiving both leflunomide and another immunosuppressant should be monitored for bone marrow suppression at least monthly. Consider therapy modification
Loop Diuretics: Corticosteroids (Systemic) may enhance the hypokalemic effect of Loop Diuretics. Monitor therapy
Macimorelin: Corticosteroids (Systemic) may diminish the diagnostic effect of Macimorelin. Avoid combination
Mifamurtide: Corticosteroids (Systemic) may diminish the therapeutic effect of Mifamurtide. Avoid combination
MiFEPRIStone: May diminish the therapeutic effect of Corticosteroids (Systemic). MiFEPRIStone may increase the serum concentration of Corticosteroids (Systemic). Management: Avoid mifepristone in patients who require long-term corticosteroid treatment of serious illnesses or conditions (e.g., for immunosuppression following transplantation). Corticosteroid effects may be reduced by mifepristone treatment. Avoid combination
Mitotane: May decrease the serum concentration of Corticosteroids (Systemic). Monitor therapy
Natalizumab: Immunosuppressants may enhance the adverse/toxic effect of Natalizumab. Specifically, the risk of concurrent infection may be increased. Avoid combination
Neuromuscular-Blocking Agents (Nondepolarizing): May enhance the adverse neuromuscular effect of Corticosteroids (Systemic). Increased muscle weakness, possibly progressing to polyneuropathies and myopathies, may occur. Management: If concomitant therapy is required, use the lowest dose for the shortest duration to limit the risk of myopathy or neuropathy. Monitor for new onset or worsening muscle weakness, reduction or loss of deep tendon reflexes, and peripheral sensory decriments Consider therapy modification
Nicorandil: Corticosteroids (Systemic) may enhance the adverse/toxic effect of Nicorandil. Gastrointestinal perforation has been reported in association with this combination. Monitor therapy
Nivolumab: Immunosuppressants may diminish the therapeutic effect of Nivolumab. Management: Avoid use of immunosuppressants (including systemic corticosteroids) prior to initiation of nivolumab. Use of immunosuppressants after administration of nivolumab (eg, for immune-related toxicity) is unlikely to affect nivolumab efficacy. Consider therapy modification
Nonsteroidal Anti-Inflammatory Agents (COX-2 Selective): Corticosteroids (Systemic) may enhance the adverse/toxic effect of Nonsteroidal Anti-Inflammatory Agents (COX-2 Selective). Monitor therapy
Nonsteroidal Anti-Inflammatory Agents (Nonselective): Corticosteroids (Systemic) may enhance the adverse/toxic effect of Nonsteroidal Anti-Inflammatory Agents (Nonselective). Monitor therapy
Nonsteroidal Anti-Inflammatory Agents (Topical): May enhance the adverse/toxic effect of Corticosteroids (Systemic). Specifically, the risk of gastrointestinal bleeding, ulceration, and perforation may be increased. Monitor therapy
Ocrelizumab: May enhance the immunosuppressive effect of Immunosuppressants. Monitor therapy
Ozanimod: Immunosuppressants may enhance the immunosuppressive effect of Ozanimod. Monitor therapy
Pidotimod: Immunosuppressants may diminish the therapeutic effect of Pidotimod. Monitor therapy
Pimecrolimus: May enhance the adverse/toxic effect of Immunosuppressants. Avoid combination
Quinolones: Corticosteroids (Systemic) may enhance the adverse/toxic effect of Quinolones. Specifically, the risk of tendonitis and tendon rupture may be increased. Monitor therapy
Ritodrine: Corticosteroids (Systemic) may enhance the adverse/toxic effect of Ritodrine. Monitor therapy
Roflumilast: May enhance the immunosuppressive effect of Immunosuppressants. Management: Consider avoiding concomitant use of roflumilast and immunosuppressants as recommended by the Canadian product monograph. Inhaled or short-term corticosteroids are unlikely to be problematic. Consider therapy modification
Salicylates: May enhance the adverse/toxic effect of Corticosteroids (Systemic). These specifically include gastrointestinal ulceration and bleeding. Corticosteroids (Systemic) may decrease the serum concentration of Salicylates. Withdrawal of corticosteroids may result in salicylate toxicity. Monitor therapy
Sargramostim: Corticosteroids (Systemic) may enhance the therapeutic effect of Sargramostim. Specifically, corticosteroids may enhance the myeloproliferative effects of sargramostim. Monitor therapy
Siponimod: Immunosuppressants may enhance the immunosuppressive effect of Siponimod. Monitor therapy
Sipuleucel-T: Immunosuppressants may diminish the therapeutic effect of Sipuleucel-T. Management: Evaluate patients to see if it is medically appropriate to reduce or discontinue therapy with immunosuppressants prior to initiating sipuleucel-T therapy. Consider therapy modification
Tacrolimus (Systemic): Corticosteroids (Systemic) may decrease the serum concentration of Tacrolimus (Systemic). Conversely, when discontinuing corticosteroid therapy, tacrolimus concentrations may increase. Monitor therapy
Tacrolimus (Topical): May enhance the adverse/toxic effect of Immunosuppressants. Avoid combination
Tertomotide: Immunosuppressants may diminish the therapeutic effect of Tertomotide. Monitor therapy
Thiazide and Thiazide-Like Diuretics: Corticosteroids (Systemic) may enhance the hypokalemic effect of Thiazide and Thiazide-Like Diuretics. Monitor therapy
Tisagenlecleucel: Corticosteroids (Systemic) may diminish the therapeutic effect of Tisagenlecleucel. Management: Avoid use of corticosteroids as premedication or at any time during treatment with tisagenlecleucel, except in the case of life-threatening emergency (such as resistant cytokine release syndrome). Consider therapy modification
Tofacitinib: Immunosuppressants may enhance the immunosuppressive effect of Tofacitinib. Management: Concurrent use with antirheumatic doses of methotrexate or nonbiologic disease modifying antirheumatic drugs (DMARDs) is permitted, and this warning seems particularly focused on more potent immunosuppressants. Consider therapy modification
Upadacitinib: Corticosteroids (Systemic) may enhance the immunosuppressive effect of Upadacitinib. Monitor therapy
Urea Cycle Disorder Agents: Corticosteroids (Systemic) may diminish the therapeutic effect of Urea Cycle Disorder Agents. More specifically, Corticosteroids (Systemic) may increase protein catabolism and plasma ammonia concentrations, thereby increasing the doses of Urea Cycle Disorder Agents needed to maintain these concentrations in the target range. Monitor therapy
Vaccines (Inactivated): Immunosuppressants may diminish the therapeutic effect of Vaccines (Inactivated). Management: Vaccine efficacy may be reduced. Complete all age-appropriate vaccinations at least 2 weeks prior to starting an immunosuppressant. If vaccinated during immunosuppressant therapy, revaccinate at least 3 months after immunosuppressant discontinuation. Consider therapy modification
Vaccines (Live): Corticosteroids (Systemic) may enhance the adverse/toxic effect of Vaccines (Live). Corticosteroids (Systemic) may diminish the therapeutic effect of Vaccines (Live). Management: Avoid live vaccines during and for 1 month after therapy with immunosuppressive doses of corticosteroids (equivalent to prednisone >2 mg/kg or 20 mg/day in persons over 10 kg for at least 2 weeks). Give live vaccines prior to therapy whenever possible. Consider therapy modification
Vitamin K Antagonists (eg, warfarin): Corticosteroids (Systemic) may enhance the anticoagulant effect of Vitamin K Antagonists. Monitor therapy
May suppress the wheal and flare reactions to skin test antigens
Frequency not defined:
Cardiovascular: Bradycardia, cardiac arrhythmia, cardiomegaly, circulatory shock, edema, embolism (fat), hypertension, hypertrophic cardiomyopathy, myocardial rupture (following recent MI), syncope, tachycardia, thromboembolism, thrombophlebitis, vasculitis
Central nervous system: Abnormal sensory symptoms, arachnoiditis, depression, emotional lability, euphoria, headache, increased intracranial pressure, insomnia, malaise, meningitis, myasthenia, neuritis, neuropathy, paraplegia, paresthesia, personality changes, pseudotumor cerebri, psychic disorder, seizure, spinal cord compression, vertigo
Dermatologic: Acne vulgaris, allergic dermatitis, atrophic striae, diaphoresis, ecchymoses, erythema, exfoliation of skin, fragile skin, hyperpigmentation, hypertrichosis, hypopigmentation, skin atrophy, skin rash, subcutaneous atrophy, suppression of skin test reaction, thinning hair, urticaria, xeroderma
Endocrine & metabolic: Amenorrhea, calcinosis, cushingoid state, decreased glucose tolerance, decreased serum potassium, fluid retention, glycosuria, growth suppression (pediatric), hirsutism, HPA-axis suppression, hypokalemic alkalosis, impaired glucose tolerance/prediabetes, insulin resistance (increased requirements for insulin or oral hyperglycemic agents), moon face, negative nitrogen balance, protein catabolism, sodium retention, weight gain
Gastrointestinal: Abdominal distention, change in bowel habits, hiccups, increased appetite, intestinal perforation, nausea, pancreatitis, peptic ulcer, ulcerative esophagitis
Genitourinary: Bladder dysfunction, spermatozoa disorder (decreased motility and number)
Hematologic & oncologic: Petechia
Hepatic: Hepatomegaly, increased liver enzymes
Hypersensitivity: Anaphylactoid reaction, anaphylaxis, angioedema
Infection: Infection (decreased resistance), sterile abscess
Local: Injection site reaction (intra-articular use). postinjection flare (intra-articular use)
Neuromuscular & skeletal: Amyotrophy, aseptic necrosis of femoral head, aseptic necrosis of humeral head, bone fracture, Charcot arthropathy, lipotrophy, myopathy, osteoporosis, rupture of tendon, steroid myopathy
Ophthalmic: Blindness, blurred vision, cataract, exophthalmos, glaucoma, increased intraocular pressure, papilledema
Respiratory: Pulmonary edema
Miscellaneous: Wound healing impairment
Concerns related to adverse effects:
• Adrenal suppression: May cause hypercortisolism or suppression of hypothalamic-pituitary-adrenal (HPA) axis, particularly in younger children or in patients receiving high doses for prolonged periods. HPA axis suppression may lead to adrenal crisis. Withdrawal and discontinuation of a corticosteroid should be done slowly and carefully. Particular care is required when patients are transferred from systemic corticosteroids to inhaled products due to possible adrenal insufficiency or withdrawal from steroids, including an increase in allergic symptoms. Adult patients receiving >20 mg per day of prednisone (or equivalent) may be most susceptible. Fatalities have occurred due to adrenal insufficiency in asthmatic patients during and after transfer from systemic corticosteroids to aerosol steroids; aerosol steroids do not provide the systemic steroid needed to treat patients having trauma, surgery, or infections. In stressful situations, HPA axis-suppressed patients should receive adequate supplementation with natural glucocorticoids (hydrocortisone or cortisone) rather than betamethasone (due to lack of mineralocorticoid activity).
• Anaphylactoid reactions: Rare cases of anaphylactoid reactions have been observed in patients receiving corticosteroids.
• Immunosuppression: Prolonged use of corticosteroids may increase the incidence of secondary infection, mask acute infection (including fungal infections), prolong or exacerbate infections, or limit response to killed or inactivated vaccines. Special pathogens (Amoeba, Candida, Cryptococcus, Mycobacterium, Nocardia, Pneumocystis, Strongyloides, or Toxoplasma) may be activated or an infection exacerbation may occur (may be fatal). Amebiasis or Strongyloides infections should be particularly ruled out. Exposure to chickenpox or measles should be avoided; corticosteroids should not be used to treat ocular herpes simplex. Corticosteroids should not be used for cerebral malaria, fungal infections, or viral hepatitis. Close observation is required in patients with latent tuberculosis and/or TB reactivity; restrict use in active TB (only fulminating or disseminated TB in conjunction with antituberculosis treatment). Amebiasis should be ruled out in any patient with recent travel to tropic climates or unexplained diarrhea prior to initiation of corticosteroids.
• Kaposi sarcoma: Prolonged treatment with corticosteroids has been associated with the development of Kaposi sarcoma (case reports); if noted, discontinuation of therapy should be considered.
• Myopathy: Acute myopathy has been reported with high-dose corticosteroids, usually in patients with neuromuscular transmission disorders; may involve ocular and/or respiratory muscles; monitor creatine kinase; recovery may be delayed.
• Psychiatric disturbances: Corticosteroid use may cause psychiatric disturbances, including depression, euphoria, insomnia, mood swings, and personality changes. Preexisting psychiatric conditions may be exacerbated by corticosteroid use.
• Cardiovascular disease: Use with caution in patients with HF and/or hypertension; use has been associated with electrolyte disturbances, fluid retention, and hypertension. Dietary modifications may be necessary. Use with caution in patients with a recent history of myocardial infarction (MI); left ventricular free wall rupture has been reported after the use of corticosteroids.
• Diabetes: Use with caution in patients with diabetes mellitus; may alter glucose production/regulation leading to hyperglycemia.
• Gastrointestinal disease: Use with caution in patients with GI diseases (diverticulitis, fresh intestinal anastomoses, peptic ulcer, ulcerative colitis) due to perforation risk. Avoid ethanol may enhance gastric mucosal irritation.
• Head injury: Increased mortality was observed in patients receiving high-dose IV methylprednisolone; high-dose corticosteroids should not be used for the management of head injury.
• Hepatic impairment: Use with caution in patients with hepatic impairment, including cirrhosis; long-term use has been associated with fluid retention.
• Myasthenia gravis: Use with caution in patients with myasthenia gravis; exacerbation of symptoms has occurred especially during initial treatment with corticosteroids.
• Ocular disease: Use with caution in patients with cataracts and/or glaucoma; increased intraocular pressure, open-angle glaucoma, and cataracts have occurred with prolonged use. Not recommended for the treatment of optic neuritis; may increase frequency of new episodes. Consider routine eye exams in chronic users.
• Osteoporosis: Use with caution in patients with osteoporosis; high doses and/or long-term use of corticosteroids have been associated with increased bone loss and osteoporotic fractures.
• Renal impairment: Use with caution in patients with renal impairment; fluid retention may occur.
• Seizure disorders: Use with caution in patients with a history of seizure disorder; seizures have been reported with adrenal crisis.
• Systemic sclerosis: Use with caution in patients with systemic sclerosis; an increase in scleroderma renal crisis incidence has been observed with corticosteroid use. Monitor BP and renal function in patients with systemic sclerosis treated with corticosteroids (EULAR [Kowal-Bielecka 2017]).
• Thyroid disease: Changes in thyroid status may necessitate dosage adjustments; metabolic clearance of corticosteroids increases in hyperthyroidism and decreases in hypothyroidism.
• Elderly: Because of the risk of adverse effects, systemic corticosteroids should be used cautiously in the elderly in the smallest possible effective dose for the shortest duration.
• Pediatric: May affect growth velocity; growth should be routinely monitored in pediatric patients.
• Appropriate use: For intramuscular, intra-articular or intralesional use only, do not administer intravenously or epidurally (see Epidural injection).
• Discontinuation of therapy: Withdraw therapy with gradual tapering of dose.
• Epidural injection: Corticosteroids are not approved for epidural injection. Serious neurologic events (eg, spinal cord infarction, paraplegia, quadriplegia, cortical blindness, stroke), some resulting in death, have been reported with epidural injection of corticosteroids, with and without use of fluoroscopy.
• Intra-articular injection: May produce systemic as well as local effects. Appropriate examination of any joint fluid present is necessary to exclude a septic process. Avoid injection into an infected site. Do not inject into unstable joints. Intra-articular injection may result in damage to joint tissues.
Growth in children; injection site reactions, risk of infection
Betamethasone crosses the placenta (Brownfoot 2013) and is partially metabolized by placental enzymes to an inactive metabolite (Murphy 2007).
Some studies have shown an association between first trimester systemic corticosteroid use and oral clefts or decreased birth weight; however, information is conflicting and may be influenced by maternal dose/indication for use (Lunghi 2010; Park-Wyllie 2000; Pradat 2003). Hypoadrenalism may occur in newborns following maternal use of corticosteroids during pregnancy; monitor.
Betamethasone is classified as a fluorinated corticosteroid. When systemic corticosteroids are needed in pregnancy for rheumatic disorders, nonfluorinated corticosteroids (eg, prednisone) are preferred. Chronic high doses should be avoided (ACR [Sammaritano 2020]).
Antenatal corticosteroid administration promotes fetal lung maturity and is associated with the reduction of intraventricular hemorrhage, necrotizing enterocolitis, neonatal mortality, and respiratory distress syndrome. A single course of betamethasone is recommended for women between 24 0/7 and 33 6/7 weeks' gestation who are at risk of delivering within 7 days. This recommendation includes those with ruptured membranes or multiple gestations. A single course of betamethasone may be considered for women beginning at 23 0/7 weeks' gestation who are at risk of delivering within 7 days, in consultation with the family regarding resuscitation. In addition, a single course of betamethasone may be given to women between 34 0/7 weeks and 36 6/7 weeks who are at risk of preterm delivery within 7 days and who have not previously received corticosteroids if induction or delivery will proceed ≥24 hours and ≤7 days; delivery should not be delayed for administration of antenatal corticosteroids. Use of concomitant tocolytics is not currently recommended and administration of late preterm corticosteroids has not been evaluated in women with intrauterine infection, multiple gestations, pregestational diabetes, or women who delivered previously by cesarean section at term. Multiple repeat courses are not recommended. However, in women with pregnancies less than 34 weeks' gestation at risk for delivery within 7 days and who had a course of antenatal corticosteroids >14 days prior, a single repeat course may be considered; use of a repeat course in women with preterm prelabor rupture of membranes is controversial (ACOG 171 2016; ACOG 217 2020; ACOG 713 2017). Modifications are not required in pregnant patients diagnosed with coronavirus disease 2019 (COVID-19) (ACOG FAQ 2020).
The American College of Obstetricians and Gynecologists (ACOG) and the Society for Maternal-Fetal Medicine (SMFM) have developed an algorithm to aid practitioners in assessing and managing pregnant women with suspected or confirmed COVID-19 (https://www.acog.org/topics/covid-19; https://www.smfm.org/covid19). Interim guidance is also available from the CDC for pregnant women who are diagnosed with COVID-19 (https://www.cdc.gov/coronavirus/2019-ncov/hcp/inpatient-obstetric-healthcare-guidance.html).
What is this drug used for?
• It is used for many health problems like allergy signs, asthma, adrenal gland problems, blood problems, skin rashes, or swelling problems.
• This is not a list of all health problems that this drug may be used for. Talk with the doctor.
All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:
• Increased appetite
WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:
• High blood sugar like confusion, fatigue, increased thirst, increased hunger, passing a lot of urine, flushing, fast breathing, or breath that smells like fruit
• Cushing syndrome like weight gain in upper back or abdomen; moon face; severe headache; or slow healing
• Skin changes like pimples, stretch marks, slow healing, or hair growth
• Low potassium like muscle pain or weakness, muscle cramps, or an abnormal heartbeat
• Pancreatitis like severe abdominal pain, severe back pain, severe nausea, or vomiting
• Adrenal gland problems like severe nausea, vomiting, severe dizziness, passing out, muscle weakness, severe fatigue, mood changes, lack of appetite, or weight loss
• Swelling, warmth, numbness, change of color, or pain in a leg or arm
• Severe loss of strength and energy
• Fast heartbeat
• Sweating a lot
• Severe dizziness
• Passing out
• Shortness of breath
• Excessive weight gain
• Swelling of arms or legs
• Slow heartbeat
• Chest pain
• Menstrual changes
• Joint pain
• Bone pain
• Muscle pain
• Muscle weakness
• Behavioral changes
• Mood changes
• Burning or numbness feeling
• Vision changes
• Abdominal swelling
• Abdominal pain
• Black, tarry, or bloody stools
• Vomiting blood
• Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
Note: This is not a comprehensive list of all side effects. Talk to your doctor if you have questions.
Consumer Information Use and Disclaimer: This information should not be used to decide whether or not to take this medicine or any other medicine. Only the healthcare provider has the knowledge and training to decide which medicines are right for a specific patient. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a limited summary of general information about the medicine's uses from the patient education leaflet and is not intended to be comprehensive. This limited summary does NOT include all information available about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to this medicine. This information is not intended to provide medical advice, diagnosis or treatment and does not replace information you receive from the healthcare provider. For a more detailed summary of information about the risks and benefits of using this medicine, please speak with your healthcare provider and review the entire patient education leaflet.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
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More about betamethasone
- Side Effects
- During Pregnancy or Breastfeeding
- Dosage Information
- Drug Interactions
- Support Group
- Pricing & Coupons
- En Español
- 7 Reviews
- Drug class: glucocorticoids
- FDA Alerts (3)
- Betamethasone injection
- Betamethasone (Systemic)
- Betamethasone sodium phosphate and betamethasone acetate Injection (Advanced Reading)
- Betamethasone (AHFS Monograph)
- Betamethasone Acetate (AHFS Monograph)
- Betamethasone Sodium Phosphate and Betamethasone Acetate (FDA)