Methysergide (Systemic)

Brand Names : Sansert

Side Effects of This Medicine

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur:

Chest pain or tightness in chest; convulsions (seizures); difficult or painful urination; dizziness (severe); fever or chills; increase or decrease (large) in the amount of urine; leg cramps; pain in arms, legs, groin, lower back, or side; pale or cold hands or feet; shortness of breath or difficult breathing; swelling of hands, ankles, feet, or lower legs

Check with your doctor as soon as possible if the following side effects occur:

More common

Abdominal or stomach pain; itching; numbness and tingling of fingers, toes, or face; weakness in the legs

Less common or rare

Changes in vision; clumsiness or unsteadiness; cough or hoarseness; excitement or difficulty in thinking; fast or slow heartbeat; feeling of being outside the body; hallucinations (seeing, hearing, or feeling things that are not there); loss of appetite or weight loss; mental depression; nightmares; raised red spots on skin; redness or flushing of face; skin rash; unusual weight gain

Other side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. However, check with your doctor if any of the following side effects continue or are bothersome:

More common

Diarrhea; dizziness or lightheadedness, especially when you get up from a lying or sitting position; drowsiness; nausea or vomiting

Less common or rare

Constipation; hair loss; heartburn; trouble in sleeping

After you stop using this medicine, your body may need time to adjust. The length of time this takes depends on the amount of medicine you were using and how long you used it. During this time check with your doctor if your headaches begin again or worsen.

Other side effects not listed above may also occur in some patients. If you notice any other effects, check with your doctor.