Incassia Side Effects Center

Last updated on RxList: 8/3/2021
Incassia Side Effects Center

What Is Incassia?

Incassia (norethindrone tablets, 0.35 mg) is a progestin-only oral contraceptive indicated for the prevention of pregnancy.

What Are Side Effects of Incassia?

Common side effects of Incassia include:

  • irregular menstruation (frequent and irregular bleeding, long duration of bleeding, no bleeding),
  • headache,
  • breast tenderness,
  • nausea,
  • dizziness,
  • acne,
  • excess hair growth, and
  • weight gain.

Dosage for Incassia

Incassia tablets must be taken exactly as directed. One tablet is taken every day, at the same time.

What Drugs, Substances, or Supplements Interact with Incassia?

Incassia may interact with antibiotics, anticonvulsants, rifampin, barbiturates, phenylbutazone, phenytoin, carbamazepine, felbamate, oxcarbazepine, topiramate, griseofulvin, anti-HIV protease inhibitors, and St. John's wort. Tell your doctor all medications and supplements you use.

Incassia During Pregnancy or Breastfeeding

Suspected pregnancy should be ruled out before starting any hormonal contraceptive such as Incassia. Small amounts of progestin in Incassia pass into breast milk. Consult your doctor before breastfeeding.

Additional Information

Our Incassia (norethindrone tablets, 0.35 mg) 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.

SLIDESHOW

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Incassia Consumer Information

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Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have:

  • sudden vision loss, bulging eyes, or severe headache;
  • swelling, rapid weight gain;
  • unusual vaginal bleeding;
  • missed menstrual periods;
  • pelvic pain (especially on one side);
  • a breast lump;
  • a light-headed feeling, like you might pass out;
  • increased thirst, increased urination;
  • liver problems--loss of appetite, stomach pain (upper right side), dark urine, jaundice (yellowing of the skin or eyes); or
  • signs of a blood clot--sudden numbness or weakness, problems with vision or speech, chest pain, shortness of breath, swelling or redness in an arm or leg.

Common side effects may include:

  • irregular vaginal bleeding or spotting;
  • headache;
  • breast pain or swelling;
  • stomach pain, bloating, nausea, vomiting;
  • hair loss;
  • depressed mood, trouble sleeping;
  • weight gain; or
  • vaginal itching or discharge.

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.

Read the entire detailed patient monograph for Incassia (Norethindrone Tablets USP, 0.35 mg)

QUESTION

Which of the following are methods for contraception? See Answer
Incassia Professional Information

SIDE EFFECTS

  • Menstrual irregularity is the most frequently reported side effect.
  • Frequent and irregular bleeding are common, while long duration of bleeding episodes and amenorrhea are less likely.
  • Headache, breast tenderness, nausea, and dizziness are increased among progestin-only oral contraceptive users in some studies.
  • Androgenic side effects such as acne, hirsutism, and weight gain occur rarely.

DRUG INTERACTIONS

Change in contraceptive effectiveness associated with co-administration of other products:

Anti-Infective Agents And Anticonvulsants

Contraceptive effectiveness may be reduced when hormonal contraceptives are co-administered with antibiotics, anticonvulsants, and other drugs that increase the metabolism of contraceptive steroids. This could result in unintended pregnancy or breakthrough bleeding. Examples include rifampin, barbiturates, phenylbutazone, phenytoin, carbamazepine, felbamate, oxcarbazepine, topiramate, and griseofulvin.

Anti-HIV Protease Inhibitors

Several of the anti-HIV protease inhibitors have been studied with co-administration of oral contraceptives; significant changes (increase and decrease) in the plasma levels of the estrogen and progestin have been noted in some cases. The safety and efficacy of OC products may be affected with the co-administration of anti-HIV protease inhibitors. Health care providers should refer to the label of the individual anti-HIV protease inhibitors for further drug-drug interaction information.

Herbal Products

Herbal products containing St. John's Wort (hypericum perforatum) may induce hepatic enzymes (cytochrome P450) and p-glycoprotein transporter and may reduce the effectiveness of contraceptive steroids. This may also result in breakthrough bleeding.

Read the entire FDA prescribing information for Incassia (Norethindrone Tablets USP, 0.35 mg)

© Incassia Patient Information is supplied by Cerner Multum, Inc. and Incassia Consumer information is supplied by First Databank, Inc., used under license and subject to their respective copyrights.

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