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Norethindrone

Precautions

Before taking norethindrone, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: vaginal bleeding of unknown cause, bleeding in the brain, a loss of pregnancy with some tissue remaining in the uterus ("missed abortion"), family medical history (especially breast lumps/cancer or blood clots), obesity, heart disease (such as heart attacks, coronary artery disease, heart failure), high blood pressure, cancer (especially endometrial or breast cancer), blood clots, lupus, seizures, migraine headaches, asthma, liver disease, kidney problems, high blood levels of cholesterol/fats, depression, diabetes, strokes, smoking.

This drug may make you dizzy. Alcohol or marijuana (cannabis) can make you more dizzy. Do not drive, use machinery, or do anything that needs alertness until you can do it safely. Limit alcoholic beverages. Talk to your doctor if you are using marijuana (cannabis).

Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).

This medication may cause blotchy, dark areas on your face and skin (melasma). Sunlight may worsen this effect. Limit your time in the sun. Avoid tanning booths and sunlamps. Use sunscreen and wear protective clothing when outdoors.

This medication should not be used during pregnancy. If you become pregnant or think you may be pregnant, tell your doctor right away.

This drug passes into breast milk. Consult your doctor before breastfeeding.

Side Effects

Nausea, vomiting, headache, dizziness, mood swings, trouble sleeping, weight gain/loss, acne, breast swelling/tenderness, change in sexual interest, unwanted hair growth, or hair loss may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly.

Remember that this medication has been prescribed because your doctor has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Tell your doctor right away if you have any serious side effects, including: changes in vaginal bleeding (such as spotting, breakthrough bleeding, changes in menstrual flow, no menstrual bleeding), change in vaginal discharge, depression, swelling of the hands/feet, frequent/burning/painful urination, yellowing eyes/skin, dark patches on the skin or face (melasma).

This medication, especially if used along with an estrogen product, may rarely cause very serious (possibly fatal) problems from blood clots (such as heart attack, stroke, blood clots in the lungs or legs, blindness). Get medical help right away if you have: chest/jaw/left arm pain, weakness on one side of the body, trouble speaking, sudden vision changes (such as blurred/double vision, loss of vision, bulging eyes), confusion, sudden severe headache, severe dizziness, fainting, trouble breathing, coughing up blood, pain/redness/swelling/weakness of the arms/legs, calf pain/swelling that is warm to the touch.

A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

In the US -

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch.

In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

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RxAnswers™ is a copyrighted combined product from TraceGains and First DataBank, Inc.

Drug information is selected from data included with permission and copyrighted by First DataBank, Inc. This is a summary and does not contain all possible information about this product. For complete information about this product or your specific health needs, ask your healthcare professional. Always seek the advice of your healthcare professional if you have any questions about this product or your medical condition. This information is not intended as individual medical advice and does not substitute for the knowledge and judgment of your healthcare professional. This information does not contain any assurances that this product is safe, effective or appropriate for you.

This information is intended only for residents of the United States. Products sold under the same brand names in other countries may contain different ingredients.

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Information expires December 2024.