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Provera Side Effects

Generic name: medroxyprogesterone

Medically reviewed by Last updated on Aug 22, 2023.

Note: This document contains side effect information about medroxyprogesterone. Some dosage forms listed on this page may not apply to the brand name Provera.

Applies to medroxyprogesterone: oral tablet. Other dosage forms:


Oral route (Tablet)

Estrogen plus progestin therapy should not be used for the prevention of cardiovascular disease or dementia. Studies have demonstrated an increased risk of DVT, pulmonary embolism, stroke and myocardial infarction in postmenopausal women during treatment with daily oral conjugated estrogens combined with medroxyPROGESTERone acetate, relative to placebo. Studies have also demonstrated estrogen plus progestin increases risk of developing probable dementia in postmenopausal women 65 years of age or older. It is unknown whether this finding applies to younger postmenopausal women. An increased risk of invasive breast cancer has also been found in studies. In the absence of comparable data, these risks should be assumed to be similar for other doses of estrogens and progestins, and other combinations and dosage forms of estrogens and progestins. Progestins with estrogens should be prescribed at the lowest effective doses and for the shortest duration consistent with treatment goals and risks for the individual woman.

Serious side effects of Provera

Along with its needed effects, medroxyprogesterone (the active ingredient contained in Provera) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur while taking medroxyprogesterone:

Incidence not known

Other side effects of Provera

Some side effects of medroxyprogesterone may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.

Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

Incidence not known

For Healthcare Professionals

Applies to medroxyprogesterone: compounding powder, intramuscular suspension, oral tablet, subcutaneous suspension.


Very common (10% or more): Abdominal pain/discomfort (up to 11.2%)

Common (1% to 10%): Nausea, bloating, abdominal distention, diarrhea, vomiting, constipation

Uncommon (0.1% to 1%): Dry mouth

Postmarketing reports: Gastrointestinal disturbances, rectal bleeding[Ref]


Very common (10% or more): Amenorrhea (up to 68%), bleeding (up to 57.3%), uterine bleeding irregularities (up to 35%)

Common (1% to 10%): Dysmenorrhea, leukorrhea, vaginitis, intermenstrual bleeding, urinary tract infection, vaginal candidiasis, vaginitis, vaginitis bacterial, abnormal cervix smear, metrorrhagia, menometrorrhagia, menstruation irregular, vaginal hemorrhage, erectile dysfunction, genitourinary tract infection, pelvic pain, dyspareunia

Frequency not reported: Uterine cervical erosions, cervical discharge, vulvovaginal dryness, premenstrual syndrome, vaginal cyst, ovarian cyst, lack of return to fertility, sensation of pregnancy

Postmarketing reports: Unexpected pregnancy, uterine hyperplasia, oligomenorrhea, prolonged anovulation[Ref]


Very common (10% or more): Increase weight (up to 37%)

Common (1% to 10%): Increased appetite, decreased appetite

Uncommon (0.1% to 1%): Diabetes mellitus exacerbated, hypercalcemia, fluid retention

Frequency not reported: Elevations of serum calcium and potassium levels, exacerbation of diabetes mellitus

Postmarketing reports: Decreased glucose tolerance, changes in appetite, excessive thirst[Ref]

Weight gain is more frequently encountered than weight loss during medroxyprogesterone therapy. In women using intramuscular medroxyprogesterone for contraception, the mean weight gain after one year of therapy is 2.5 kg. After two, four, and six years, patients gain a mean of 3.7, 6.3, and 7.5 kg, respectively.[Ref]

Nervous system

Very common (10% or more): Nervousness (10.8%)

Common (1% to 10%): Dizziness

Rare (less than 0.1%): Cerebral infarction, somnolence

Frequency not reported: Loss of concentration, adrenergic-like effects, migraine, seizure, VII th nerve paralysis, syncope

Postmarketing reports: Paralysis, facial palsy, paresthesia, drowsiness[Ref]


Very common (10% or more): Headache (up to 16.5%)

Common (1% to 10%): Asthenia, fatigue, edema /fluid retention, breast pain, breast tenderness

Frequency not reported: Chills, fever, vertigo, breast atrophy, breast mass, nipple exudate bloody, breast enlargement

Postmarketing reports: Changes in breast size[Ref]


Common (1% to 10%): Hot flashes

Uncommon (0.1% to 1%): Cardiac failure congestive, thrombophlebitis

Rare (less than 0.1%): Myocardial infarction, embolism, thrombosis, blood pressure increased

Frequency not reported: Tachycardia, palpitations

Postmarketing reports: Deep vein thrombosis, varicose veins[Ref]

The majority of cases of thromboembolic disease during hormonal therapy have been attributed to estrogens and not to progestogens. However, it has been demonstrated that this drug, at least at high doses, can produce a hypercoagulable state. Whether or not this contributes to the development of thrombotic events remains unknown.[Ref]


Common (1% to 10%): Acne, no hair growth/alopecia, rash, hyperhidrosis

Uncommon (0.1% to 1%): Hirsutism, urticaria, pruritus, chloasma

Frequency not reported: Lipodystrophy acquired, dermatitis, ecchymosis, scleroderma, skin striae, erythema multiforme, erythema nodosum

Postmarketing reports: Axillary swelling, excessive sweating and body odor, dry skin, melasma[Ref]


Common (1% to 10%): Leg cramps, arthralgia, back pain, limb pain, pain in extremity

Uncommon (0.1% to 1%): Muscle spasms

Frequency not reported: Gluteal infiltration and abscess formation

Postmarketing reports: Chest pain, osteoporosis including osteoporotic fractures, loss of bone mineral density, scleroderma[Ref]


Common (1% to 10%): Depression, insomnia, anxiety, irritability, decreased libido

Uncommon (0.1% to 1%): Euphoria, changes in libido

Rare (less than 0.1%): Confusion

Frequency not reported: Anorgasmia, emotional disturbance, affective disorder,

Postmarketing reports: Increased libido[Ref]


Common (1% to 10%): Bronchitis, influenza, nasopharyngitis, pharyngitis, sinusitis, upper respiratory tract infection

Uncommon (0.1% to 1%): Pulmonary embolism

Frequency not reported: Dysphonia

Postmarketing reports: Dyspnea, asthma, hoarseness[Ref]


Uncommon (0.1% to 1%): Corticoid-like effects

Frequency not reported: Cushingoid syndrome, galactorrhea

Postmarketing reports: Prevention of lactation with or without hyperprolactinemia[Ref]


Uncommon (0.1% to 1%): Abnormal hepatic function, jaundice cholestatic

Postmarketing reports: Abnormal liver function test, abnormal hepatic enzyme[Ref]


Frequency not reported: Allergic reactions including angioedema, anaphylactic reaction, anaphylactoid reaction[Ref]


Frequency not reported: White blood cell count increased, platelet count increased

Postmarketing reports: Anemia, blood dyscrasia[Ref]


Frequency not reported: Injection site abscess, injection site infection, injection site nodule/lump, injection site pain/tenderness, injection site persistent atrophy/indentation/dimpling[Ref]


Frequency not reported: Retinal embolism and thrombosis, cataract diabetic, visual impairment[Ref]


Frequency not reported: Glycosuria[Ref]


A significant increase in the incidence of breast cancer in beagle dogs in addition to an apparent increase in the incidence of endometrial cancer in rhesus monkeys was noted in early animal carcinogenicity studies.[Ref]

Postmarketing reports: Cervical cancer, breast cancer, endometrial hyperplasia, breast lumps or nipple bleeding, nipple discharge[Ref]

Frequently asked questions


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Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.