Maxaquin Side Effects
Generic Name: lomefloxacin
Note: This page contains information about the side effects of lomefloxacin. Some of the dosage forms included on this document may not apply to the brand name Maxaquin.
Not all side effects for Maxaquin may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.
For the Consumer
Applies to lomefloxacin: oral tablet
If you experience any of the following serious side effects, stop taking lomefloxacin (the active ingredient contained in Maxaquin) and seek emergency medical attention or contact your doctor immediately:
an allergic reaction (difficulty breathing; closing of the throat; swelling of the lips, tongue, or face; or hives);
confusion or hallucinations;
liver damage (yellowing of the skin or eyes, nausea, abdominal pain or discomfort, unusual bleeding or bruising, severe fatigue); or
muscle or joint pain.
If you experience any of the following less serious side effects, continue taking lomefloxacin and talk your doctor:
nausea, vomiting, or diarrhea;
headache, lightheadedness, or drowsiness;
ringing in the ears; or
increased sensitivity of the skin to sunlight.
Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.
For Healthcare Professionals
Applies to lomefloxacin: oral tablet
Lomefloxacin (the active ingredient contained in Maxaquin) therapy is generally well tolerated, and adverse effects are generally mild to moderate and transient in nature. Discontinuation of therapy due to adverse effects occurs in 2.2% of patients, primarily due to gastrointestinal (0.7%), skin (0.7%), or CNS (0.5%) side effects.[Ref]
Gastrointestinal side effects have included nausea (3.5%), diarrhea (1.4%), and abdominal pain (1.2%). Dyspepsia, vomiting, flatulence, constipation, gastrointestinal bleeding, dysphagia, stomatitis, tongue discoloration, and gastrointestinal inflammation have been reported in less than 1% of patients. Pseudomembranous colitis, painful oral mucosa and dysgeusia have been reported during postmarketing experience. Quinolone class antibiotics have been associated with intestinal perforation.[Ref]
Nervous system side effects have included headache (3.6%) and dizziness (2.1%). Tremor, vertigo, paresthesias, twitching, hypertonia, convulsions, hyperkinesia, coma, increased sweating, dry mouth, flushing, and syncope have been reported in less than 1% of patients. Quinolone class antibiotics have been associated with peripheral neuropathy, possible exacerbation of myasthenia gravis, and dysphasia.[Ref]
Spontaneous reporting of adverse effects to the FDA has revealed the rate of CNS toxicity related to lomefloxacin to generally be higher than that of other fluoroquinolones. These reports have included dizziness, tremors, anxiety, and seizures.
A 38-year-old male developed persistent (6 year duration) symptoms of peripheral neuropathy including twitching, numbness, "electrical" sensation, tingling, pain, hypesthesia, muscle/joint pain, fatigue, and multiple CNS symptoms.[Ref]
Hypersensitivity reactions resulting in rash and pruritus have been reported in up to 1% of patients treated with lomefloxacin (the active ingredient contained in Maxaquin) Photosensitivity can occur in up to 2.4% of treated patients. Photosensitivity reactions have occurred up to 3 weeks after drug ingestion. Anaphylaxis, exfoliative dermatitis, Stevens-Johnson syndrome and toxic epidermal necrolysis have been reported during postmarketing experience. Quinolone class antibiotics have been associated with anaphylactoid reactions, shock, purpura, serum sickness, erythema multiforme, erythema nodosum, and vesiculobullous eruption.[Ref]
Moderate to severe phototoxic reactions have occurred in patients exposed to direct or indirect sunlight or to artificial light during or following lomefloxacin treatment. These reactions have also occurred in patients exposed to shaded or diffuse light, including exposure through glass. Rarely, phototoxic reactions have occurred several weeks after discontinuation of lomefloxacin. Exposure to sunlight should be avoided during lomefloxacin therapy, even when a sunscreen is used. Exposure should also be avoided for several days after lomefloxacin is discontinued. Patients should be advised to discontinue lomefloxacin use at the first sign of a phototoxic reaction.
A case of Henoch-Schonlein purpura has been reported in a patient treated with lomefloxacin.[Ref]
Dermatologic side effects have included photosensitivity (2.3%). Pruritus, rash, urticaria, skin exfoliation, bullous eruption, eczema, skin disorder, acne, skin discoloration, skin ulceration, angioedema have been reported in less than 1% of patients. Hyperpigmentation has been reported during postmarketing experience.[Ref]
Hepatic side effects have included abnormal liver function (<1%), and elevations of ALT (0.4%), AST (0.3%), bilirubin (0.1%), alkaline phosphatase (0.1%), and GGT (<0.1%). Quinolone class antibiotics have been associated with hepatic necrosis.[Ref]
Hematologic side effects have included purpura, lymphadenopathy, thrombocythemia, anemia, thrombocytopenia, and increased fibrinolysis in less than 1% of patients. Monocytosis (0.2%), eosinophilia (0.1%), leukopenia (0.1%), and leukocytosis (0.1%), prolonged prothrombin time (<0.1%), decreased hemoglobin (<0.1%), elevated ESR (<0.1%), macrocytosis (<0.1%), and hemolytic anemia have also been reported. Quinolone class antibiotics have been associated with agranulocytosis.[Ref]
Musculoskeletal side effects have included arthralgias, myalgias, and leg cramps in less than 1% of patients.[Ref]
Cardiovascular side effects have included tachycardia, hypertension, hypotension, bradycardia, myocardial infarction, angina pectoris, cardiac failure, arrhythmia, phlebitis, pulmonary embolism, extrasystoles, cerebrovascular disorder, cyanosis, and cardiomyopathy in less than 1% of patients. Cardiopulmonary arrest, cerebral thrombosis, torsade de pointes, and vasculitis have been reported during postmarketing experience.[Ref]
Renal side effects have included increased BUN (0.1%), decreased potassium (0.1%), and increased creatinine (0.1%). Interstitial nephritis, polyuria, renal failure, and urinary retention have been reported during postmarketing experience. Quinolone class antibiotics have been associated with renal calculi.[Ref]
Respiratory side effects have included respiratory infection, rhinitis, pharyngitis, dyspnea, cough, epistaxis, bronchospasm, respiratory disorder, increased sputum, stridor, and respiratory depression in less than 1% of patients. Laryngeal and pulmonary edema have been reported during postmarketing experience. Quinolone class antibiotics have been associated with hiccough.[Ref]
Other side effects have included earache, tinnitus, viral infection, moniliasis, and fungal infection in less than 1% of patients.[Ref]
Genitourinary side effects have included vaginal moniliasis, vaginitis, leukorrhea, menstrual disorder, perineal pain, intermenstrual bleeding, epididymitis, orchitis, hematuria, micturition disorder, dysuria, strangury, and anuria in less than 1% of patients. Abnormal urine specific gravity and albuminuria have been reported in less than 0.1% of patients. Quinolone class antibiotics have been associated with albuminuria, candiduria, crystalluria, cylindruria, hematuria, and vaginal candidiasis.[Ref]
Metabolic side effects have included thirst, hyperglycemia, hypoglycemia, and gout in less than 1% of patients. Decreased total protein or albumin, increased albumin, and abnormal serum electrolytes have been reported in less than 0.1%. Quinolone class antibiotics have been associated with acidosis and elevations in serum triglycerides, serum cholesterol, blood glucose, and serum potassium.[Ref]
Ocular side effects have included abnormal vision, conjunctivitis, photophobia, eye pain, and abnormal lacrimation in less than 1% of patients. Diplopia has been reported during postmarketing experience. Quinolone class antibiotics have been associated with nystagmus.[Ref]
Psychiatric side effects have included insomnia, nervousness, somnolence, anorexia, depression, confusion, agitation, increased appetite, depersonalization, paranoid reaction, anxiety, paroniria, abnormal thinking, and concentration impairment in less than 1% of patients. Hallucinations and phobia have been reported during postmarketing experience. Quinolone class antibiotics have been associated with manic reactions.[Ref]
1. Morse IS "Pharmacokinetics and safety of single oral doses of lomefloxacin." Biopharm Drug Dispos 11 (1990): 543-51
2. "Product Information. Maxaquin (lomefloxacin)." Searle, Skokie, IL.
3. Wadworth AN, Goa KL "Lomefloxacin: a review of its antibacterial activity, pharmacokinetic properties and therapeutic use." Drugs 42 (1991): 1018-60
4. Edlund C, Brismar B, Nord CE "Effect of lomefloxacin on the normal oral and intestinal microflora." Eur J Clin Microbiol Infect Dis 1 (1990): 35-9
5. Gotfried MH, Ellison WT "Safety and efficacy of lomefloxacin versus cefaclor in the treatment of acute exacerbations of chronic bronchitis." Am J Med 92 Suppl 4 (1992): s108-13
6. Lebel M, Vallee F, St-Laurent M "Influence of lomefloxacin on the pharmacokientics of theophylline." Antimicrob Agents Chemother 34 (1990): 1254-6
7. Hunt TL, Adams MA "Pharmacokinetics and safety of lomefloxacin following multiple doses." Diagn Microbiol Infect Dis 12 (1989): 181-7
8. Just PM "Overview of the fluoroquinolone antibiotics." Pharmacotherapy 13 (1993): s4-17
9. Cohen JS "Peripheral neuropathy associated with fluoroquinolones." Ann Pharmacother 35 (2001): 1540-7
10. Bednarczyk EM, Green JA, Nelson D, et al "Comparative assessment of the effect of lomefloxacin, ciprofloxacin, and placebo on cerebral blood flow, and glucose and oxygen metabolism in healthy subjects by position emission tomography." Pharmacotherapy 12 (1992): 369-75
11. Morrison PJ, Mant TG, Norman GT, Robinson J, Kunka RL "Pharmacokinetics and tolerance of lomefloxacin after sequentially increasing oral doses." Antimicrob Agents Chemother 32 (1988): 1503-7
12. Kurumaji Y, Shono M "Scarified photopatch testing in lomefloxacin photosensitivity." Contact Dermatitis 26 (1992): 5-10
13. Pohfitzpatrick MB "Lomefloxacin photosensitivity." Arch Dermatol 130 (1994): 261
14. Domagala JM "Structure-activity and structure-side-effect relationships for the quinolone antibacterials." J Antimicrob Chemother 33 (1994): 685-706
15. Drago F, Arditi MR, Rebora A "Henoch-schonlein purpura induced by fluoroquinolones." Br J Dermatol 131 (1994): 448
16. Ball P, Tillotson G "Tolerability of fluoroquinolone antibiotics: past, present and future." Drug Saf 13 (1996): 343-8
17. Crawford ED, Berger NS, Davis MA, Donohue RE. "Prevention of urinary tract infection and bacteremia following transurethral surgery: oral lomefloxacin compared to parenteral cefotaxime." J Urol 147 (1992): 1053-5
More about Maxaquin (lomefloxacin)
Disclaimer: Every effort has been made to ensure that the information provided is accurate, up-to-date and complete, but no guarantee is made to that effect. In addition, the drug information contained herein may be time sensitive and should not be utilized as a reference resource beyond the date hereof. This material does not endorse drugs, diagnose patients, or recommend therapy. This information is a reference resource designed as supplement to, and not a substitute for, the expertise, skill , knowledge, and judgement of healthcare practitioners in patient care. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate safety, effectiveness, or appropriateness for any given patient. Drugs.com does not assume any responsibility for any aspect of healthcare administered with the aid of materials provided. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the substances you are taking, check with your doctor, nurse, or pharmacist.