The following side effects are expected to occur with the use of oral contraceptives containing norethindrone. Contact your doctor if these symptoms are severe and/or do not go away:
How Common (based on clinical studies)
|Headache||Up to 18% of all users|
|Abdominal pain||Up to 10% of all users|
|Breast enlargement, tenderness, or discharge||Up to 9% of all users|
|Vaginal irritation, redness, itching, burning, swelling, or discharge||Up to 9% of all users|
|Increased frequency of colds||Up to 9% of all users|
|Sinusitis (inflammation of the cavities around the nose)||Up to 9% of all users|
|Nausea and vomiting||Up to 8.8% of all users|
|Diarrhea or constipation||Up to 6% of all users|
|Mood changes||Up to 6% of all users|
|Urinary tract infection||Up to 6% of all users|
|Spotting or bleeding between normal menstrual periods||Up to 5% of all users|
|Heartburns or indigestion||Up to 5% of all users|
|Changes to menstrual flow||Up to 4.4% of all users|
|Pain during menstruation or missed periods||Up to 4% of all users|
|Increase or decrease in body weight||Up to 4% of all users|
|Abnormal pap smear||Up to 3.1% of all users|
|Increase in acne / acne flares||Up to 3% of all users|
|Decreased sex drive||Up to 0.3% of all users|
|Changes in appetite||Unknown|
|Bloating or abdominal cramps||Unknown|
|Swelling and inflammation of the gums||Unknown|
|Unusual hair growth||Unknown|
|Patches of hyperpigmented skin||Unknown|
Oral contraceptives containing norethindrone may cause some side effects that are serious. If you experience any of the following uncommon symptoms, get in touch with your doctor immediately or seek emergency medical treatment:
- Unusually heavy menstrual bleeding or bleeding lasting longer than 7 days
- Severe headaches
- Double vision or other changes in vision
- Problems with speech
- Feeling faint or dizzy
- Rash in any part of the body
- Severe vomiting episodes
- Abnormal bleeding or bruising
- Symptoms of depression, particularly extreme tiredness, low energy levels, trouble sleeping, or mood changes
- Severe chest pain or heaviness over the chest
- Feeling short of breath
- Dark yellow-brown urine
- Pale stools
- Yellowish discoloration of eyes or skin
- Coughing blood
- Bulging eyes
- Severe abdominal pain
- Loss of appetite
- Pain in the legs
- Tingling, numbness, or weakness in the arms or legs
- Extreme fatigue, tiredness, or low energy
- Swelling of any part of the body, particularly the hands, lower legs, ankles, or feet
Oral contraceptives containing norethindrone may also cause other side effects that are not mentioned here. Contact your doctor if you experience any other troublesome symptoms when using oral contraceptives containing norethindrone.
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