July 27, 2016
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"Nov. 20, 2012 -- Oral contraceptives should be made available without a prescription to reduce unintended pregnancies, according to a newly published opinion by the American College of Obstetricians and Gynecologists (ACOG).

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Ovcon Side Effects Center

Medical Editor: John P. Cunha, DO, FACOEP

Last reviewed on RxList 5/12/2016

Ovcon50 (norethindrone and ethinyl estradiol) Tablets is a combination of female hormones used as contraception to prevent pregnancy. Ovcon50is available in generic form. Common side effects of Ovcon50 include:

  • nausea
  • vomiting
  • headache
  • stomach cramping
  • bloating
  • dizziness
  • vaginal discomfort or irritation
  • increased vaginal fluids, or
  • breast tenderness/enlargement
Acne may improve or get worse. Vaginal bleeding between menstrual periods (spotting) or missed/irregular periods may occur, especially during the first few months of use of Ovcon50.

The dosage of Ovcon50 is one yellow tablet daily for 21 consecutive days, followed by one green inert tablet daily for 7 consecutive days, according to the prescribed schedule. Ovcon50 may interact with rifampin, barbiturates, phenylbutazone, phenytoin sodium, griseofulvin, ampicillin, and tetracyclines. Tell your doctor all medications and supplements you use. Ovcon50 must not be used during pregnancy. If you become pregnant or think you may be pregnant, tell your doctor. This drug passes into breast milk and may reduce the quantity and quality of the milk. Consult your doctor before breastfeeding.

Our Ovcon50 (norethindrone and ethinyl estradiol) Tablets Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

What is Prescribing information?

The FDA package insert formatted in easy-to-find categories for health professionals and clinicians.

Ovcon FDA Prescribing Information: Side Effects
(Adverse Reactions)


An increased risk of the following serious adverse reactions has been associated with the use of oral contraceptives (see WARNINGS section):

There is evidence of an association between the following conditions and the use of oral contraceptives, although additional confirmatory studies are needed:

  • Mesenteric thrombosis
  • Retinal thrombosis

The following adverse reactions have been reported in patients receiving oral contraceptives and are believed to be drug related:

  • Nausea
  • Vomiting
  • Gastrointestinal symptoms (such as abdominal cramps and bloating)
  • Breakthrough bleeding
  • Spotting
  • Change in menstrual flow
  • Amenorrhea
  • Temporary infertility after discontinuation of treatment
  • Edema
  • Melasma which may persist
  • Breast changes: tenderness, enlargement, and secretion
  • Change in weight (increase or decrease)
  • Change in cervical ectropion and secretion
  • Possible diminution in lactation when given immediately postpartum
  • Cholestatic jaundice
  • Migraine
  • Rash (allergic)
  • Mental depression
  • Reduced tolerance to carbohydrates
  • Vaginal candidiasis
  • Change in corneal curvature (steepening)
  • Intolerance to contact lenses

The following adverse reactions have been reported in users of oral contraceptives, and the association has been neither confirmed nor refuted:

Read the entire FDA prescribing information for Ovcon (Norethindrone and Ethinyl Estradiol Tablets)

Report Problems to the Food and Drug Administration


You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

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