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Ortho Micronor Side Effects Center
Medical Editor: John P. Cunha, DO, FACOEP
Ortho Micronor (norethindrone) is a form of progesterone, a female hormone, used for birth control (contraception) to prevent pregnancy. Ortho Micronor is also used to treat menstrual disorders, endometriosis, or abnormal vaginal bleeding caused by a hormone imbalance. Ortho Micronor is available in generic form. Common side effects of Ortho Micronor include nausea, vomiting, stomach cramping, bloating, dizziness, headache, tiredness, breast pain/swelling/tenderness, decrease in breast size, freckles or darkening of facial skin, acne, oily scalp, hair loss, increased hair growth, weight gain, vaginal itching/discharge/infections, skin itching or rash, changes in menstrual periods, or decreased sex drive.
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.
This medication may raise your blood pressure. Check your blood pressure regularly and tell your doctor if the results are high.
Tell your doctor right away if you have any serious side effects, including: lumps in the breast, mental/mood changes (such as new/worsening depression), severe stomach/abdominal pain, unusual changes in vaginal bleeding (such as continuous spotting, sudden heavy bleeding, missed periods), dark urine, yellowing eyes/skin.
This medication may rarely cause serious (sometimes fatal) problems from blood clots (such as deep vein thrombosis, heart attack, pulmonary embolism, stroke). Get medical help right away if any of these side effects occur: chest/jaw/left arm pain, confusion, sudden dizziness/fainting, pain/swelling/warmth in the groin/calf, slurred speech, sudden shortness of breath/rapid breathing, unusual headaches (including headaches with vision changes/lack of coordination, worsening of migraines, sudden/very severe headaches), unusual sweating, weakness on one side of the body, vision problems/changes (such as double vision, partial/complete blindness).
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.
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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