Myzilra Side Effects Center

Last updated on RxList: 5/31/2022
Myzilra Side Effects Center

What Is Myzilra?

Myzilra (levonorgestrel and ethinyl estradiol tablets) is an oral contraceptive indicated for the prevention of pregnancy in women who elect to use oral contraceptives as a method of contraception. Myzilra is available in generic form.

What Are Side Effects of Myzilra?

Common side effects of Myzilra include:

Cigarette smoking increases the risk of serious cardiovascular side effects from use of oral contraceptives such as Myzilra. Women who use oral contraceptives including Myzilra are strongly advised not to smoke.

Dosage for Myzilra

To achieve maximum contraceptive effectiveness, Myzilra triphasic regimen must be taken exactly as directed and at intervals not exceeding 24 hours. Myzilra tablets are a three-phase preparation plus 7 inert tablets. The dosage of Myzilra is one tablet daily for 28 consecutive days per menstrual cycle in the following order: 6 beige tablets (phase 1), followed by 5 white tablets (phase 2), followed by 10 light-yellow tablets (phase 3), plus 7 light-green inert tablets, according to the prescribed schedule. It is recommended that Myzilra be taken at the same time each day, preferably after the evening meal or at bedtime.

What Drugs, Substances, or Supplements Interact with Myzilra?

Myzilra may interact with:

Tell your doctor all medications and supplements you use.

Myzilra During Pregnancy or Breastfeeding

Myzilra is not recommended for use during pregnancy. Small amounts of Myzilra pass into breast milk and may cause adverse reactions in nursing infants. Breastfeeding while using Myzilra is not recommended.

Additional Information

Our Myzilra (levonorgestrel 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.


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Myzilra 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.

Stop using birth control pills and call your doctor at once if you have:

  • signs of a stroke--sudden numbness or weakness (especially on one side of the body), severe headache, slurred speech, balance problems;
  • signs of a blood clot--sudden vision loss, stabbing chest pain, feeling short of breath, coughing up blood, swelling or redness in an arm or leg;
  • heart attack symptoms--chest pain or pressure, pain spreading to your jaw or shoulder, nausea, sweating;
  • liver problems--loss of appetite, upper stomach pain, tiredness, fever, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes);
  • increased blood pressure--severe headache, blurred vision, pounding in your neck or ears;
  • swelling in your hands, ankles, or feet;
  • changes in the pattern or severity of migraine headaches;
  • a breast lump; or
  • symptoms of depression--sleep problems, weakness, tired feeling, mood changes.

Common side effects may include:

  • nausea, vomiting (especially when you first start taking this medicine);
  • breast tenderness;
  • breakthrough bleeding;
  • acne, darkening of facial skin;
  • weight gain; or
  • problems with contact lenses.

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 Myzilra (Levonorgestrel and Ethinyl Estradiol Tablets)


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

Arterial thromboembolism.
Pulmonary embolism.
Myocardial infarction.
Cerebral hemorrhage.
Cerebral thrombosis.
Gallbladder disease.
Hepatic adenomas or benign liver tumors.

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:

Gastrointestinal symptoms (such as abdominal pain, cramps and bloating).
Breakthrough bleeding.
Change in menstrual flow.
Temporary infertility after discontinuation of treatment.
Melasma which may persist.
Breast changes: tenderness, enlargement, secretion.
Change in weight (increase or decrease).
Change in cervical erosion and secretion.
Diminution in lactation when given immediately postpartum.
Cholestatic jaundice.
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:

Congenital anomalies.
Premenstrual syndrome.
Optic neuritis.
Changes in appetite.
Cystitis-like syndrome.
Loss of scalp hair.
Erythema multiforme.
Erythema nodosum.
Hemorrhagic eruption.
Impaired renal function.
Hemolytic uremic syndrome.
Budd-Chiari syndrome.
Changes in libido.
Sickle-cell disease.
Cerebral-vascular disease with mitral valve prolapse.
Lupus-like syndromes.

Read the entire FDA prescribing information for Myzilra (Levonorgestrel and Ethinyl Estradiol Tablets)

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

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