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Ortho Micronor Side Effects Center
Medical Editor: John P. Cunha, DO, FACOEP
Ortho Micronor (norethindrone) is used for birth control (contraception) to prevent pregnancy. It is also used to treat menstrual disorders, endometriosis, or abnormal vaginal bleeding caused by a hormone imbalance. It is a form of progesterone, a female hormone. This medication is available in generic form. Common side effects include nausea, vomiting, stomach cramping/bloating, dizziness, headache, tiredness, breast tenderness, decrease in breast size, acne, oily scalp, hair loss, weight gain, and vaginal infections.
Ortho Micronor must be taken exactly as directed. One tablet is taken every day, at the same time. Administration is continuous, with no interruption between pill packs. Ortho Micronor may interact with griseofulvin, rifampin, St. John's wort, ketoconazole or itraconazole, barbiturates, or HIV medicines. Tell your doctor all medications you are taking. Ortho Micronor should not be used during pregnancy. If you become pregnant or think you may be pregnant, inform your doctor immediately. This drug passes into breast milk and may have undesirable effect on a nursing infant. Consult your doctor before breast-feeding.
Our Ortho Micronor (norethindrone) 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 Patient Information in Detail?
Easy-to-read and understand detailed drug information and pill images for the patient or caregiver from Cerner Multum.
Ortho Micronor in Detail - Patient Information: Side Effects
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Stop using this medication and call your doctor at once if you have any of these serious side effects:
- sudden numbness or weakness, especially on one side of the body;
- sudden headache, confusion, pain behind the eyes, problems with vision, speech, or balance;
- pain or swelling in one or both legs;
- migraine headache;
- swelling in your hands or feet, rapid weight gain;
- symptoms of depression (sleep problems, weakness, mood changes);
- severe pelvic pain;
- chest pain or heavy feeling, pain spreading to the arm or shoulder, nausea, sweating, general ill feeling; or
- nausea, stomach pain, low fever, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes).
Less serious side effects may include:
- mild nausea, vomiting, bloating, stomach cramps;
- breast pain, swelling, or tenderness;
- freckles or darkening of facial skin;
- increased acne or hair growth;
- changes in weight;
- vaginal itching or discharge;
- skin itching or rash;
- changes in your menstrual periods, decreased sex drive; or
- mild headache.
This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect. You may report side effects to FDA at 1-800-FDA-1088.
Read the entire detailed patient monograph for Ortho Micronor (Norethindrone) »
What is Patient Information Overview?
A concise overview of the drug for the patient or caregiver from First DataBank.
Ortho Micronor Overview - Patient Information: Side Effects
Remember that your doctor has prescribed this medication because he or she 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 immediately if any of these infrequent but serious side effects occur: depression, unwanted facial/body hair, swelling of the ankles/feet.
This medication may rarely cause serious (sometimes fatal) problems from blood clots (e.g., pulmonary embolism, stroke, heart attack). Seek immediate medical attention if you experience: sudden shortness of breath, chest/jaw/left arm pain, confusion, coughing up blood, sudden dizziness/fainting, pain/swelling/warmth in the groin/calf, tingling/weakness/numbness in the arms/legs, headaches that are different from those you may have experienced in the past (e.g., headaches with other symptoms such as vision changes/lack of coordination, existing migraines becoming worse, sudden/very severe headaches), slurred speech, weakness on one side of the body, vision problems/changes.
Tell your doctor immediately if any of these rare but very serious side effects occur: severe stomach/abdominal/pelvic pain, lumps in the breast, unusual tiredness, dark urine, yellowing eyes/skin.
A very serious allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of a serious allergic reaction include: 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.
In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
Read the entire patient information overview for Ortho Micronor (Norethindrone)»
What is Prescribing information?
The FDA package insert formatted in easy-to-find categories for health professionals and clinicians.
Ortho Micronor FDA Prescribing Information: Side Effects
Adverse reactions reported with the use of POPs include:
- 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.
Read the entire FDA prescribing information for Ortho Micronor (Norethindrone) »
Additional Ortho Micronor Information
Ortho Micronor - User Reviews
Ortho Micronor User Reviews
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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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