home > drugs a-z list > clomid (clomiphene) drug center > clomid (clomiphene) drug - consumer side effects and precautions

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.

Vision changes (e.g., blurred vision, seeing spots or flashes) may sometimes occur during clomiphene treatment, especially if you are exposed to bright light. These side effects usually go away a few days or weeks after treatment is stopped. However, in rare cases, vision changes may be permanent. Tell your doctor immediately if any of the following occur: vision problems/changes, eye pain.

Tell your doctor immediately if any of these unlikely but serious side effects occur: abnormal vaginal bleeding, mental/mood changes.

This medication may cause a condition known as ovarian hyperstimulation syndrome (OHSS). Rarely, serious OHSS causes fluid to suddenly build up in the stomach, chest, and heart area. This may occur during therapy or after treatment has been stopped. Seek immediate medical attention if you develop any of the following side effects: severe pain/swelling in the lower abdomen (pelvic) area, sudden/rapid weight gain, nausea/vomiting, diarrhea, shortness of breath, change in the amount of urine, pain/redness/swelling of the legs, chest pain, fast/irregular heartbeat.

A very serious allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of a serious allergic reaction may 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.

PRECAUTIONS: Before taking clomiphene, 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.

This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: ovarian cysts or enlarged ovaries (not due to polycystic ovary syndrome), abnormal vaginal bleeding, liver disease, uncontrolled thyroid or adrenal gland problems, tumor in the brain (pituitary tumor).

Before using this medication, tell your doctor or pharmacist your medical history, especially of: polycystic ovary syndrome, uterus problems (e.g., uterine fibroids, endometriosis).

Use of clomiphene may result in multiple births (e.g., twins, triplets). Consult your doctor for more details.

This drug may make you dizzy or cause vision changes. Do not drive, use machinery, or do any activity that requires alertness or clear vision until you are sure you can perform such activities safely. Limit alcoholic beverages.

Stop using this medication when you become pregnant. This medication must not be used during pregnancy. If you think you may be pregnant, tell your doctor immediately.

It is not known whether this drug passes into breast milk. This drug may reduce milk production. Consult your doctor before breast-feeding.