SIDE EFFECTS: Nausea, vomiting, upset stomach, restlessness, trouble sleeping, and dizziness may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly.

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 unlikely but serious side effects occur: slow/fast/irregular heartbeat, tingling/pain/coldness in the fingers/toes, whitish fingers/toes/nails, loss of feeling in the fingers/toes, bluish hands/feet, muscle pain/weakness, severe stomach/abdominal pain, lower back pain, little or no urine.

Seek immediate medical attention if any of these rare but very serious side effects occur: chest pain, vision changes, confusion, slurred speech.

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.

Read the Wigraine (ergotamine and caffeine) Side Effects Center for a complete guide to possible side effects »

PRECAUTIONS: Before taking this medication, tell your doctor or pharmacist if you are allergic to ergotamine or caffeine; or to other ergot alkaloids (e.g., dihydroergotamine) or to other xanthine drugs (e.g., theophylline); 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: blood circulation disease (e.g., peripheral vascular disease such as arteriosclerosis, thrombophlebitis, Raynaud's disease), uncontrolled high blood pressure, nutrient deficiency (malnutrition), heart/blood vessel disease (e.g., coronary artery disease, stroke, recent heart attack), liver disease, kidney disease, severe infection, severe itching.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: abnormal heart rhythm, smoking, diabetes, high blood pressure (controlled), stomach problems (e.g., ulcers).

This drug may make you dizzy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Limit alcoholic beverages. Remember that alcohol may be a cause of headaches.

This medication may harm an unborn baby. Therefore, it must not be used during pregnancy. It is recommended that men and women use two effective forms of birth control (e.g., condoms, birth control pill) while taking this medication. If you become pregnant or think you may be pregnant, inform your doctor immediately. Consult your doctor for more details and to discuss reliable forms of birth control.

This drug may pass into breast milk and could have undesirable effects on a nursing infant. Therefore, breast-feeding is not recommended while using this drug. Consult your doctor before breast-feeding.