Along with its needing effects, a drug may cause some unwanted effects. Most side effects of sumatriptan are milder and occur less often with the tablets than with the injection. Although not all of these side effects may occur, if they do occur they may need medical attention.
Stop using this drug and check with your family doctor immediately if any of the following side effects occur :
Rare
Chest pain - severe; changes in skin color on face; convulsions - seizures; fast or irregular breathing; puffiness or swelling of eyelids, area around the eyes, face, or lips; shortness of breath, troubled breathing, or wheezing
Check with your family doctor right away if any of the following side effects continue for more than 1 hour . Even if they go away in less than 1 hour, check with your family doctor before using any more sumatriptan if any of the following side effects occur :
Less common
Chest pain - mild; heaviness, tightness, or pressure in chest andneck
Also check with your family doctor as soon as possible if any of the following side effects was happen
Less common
Difficulty in swallowing; pounding heartbeat; skin rash, hives, itching, or bumps on skin
More common side effects may occur that usually don't needed medical attention. Some of the following effects, such as nausea, vomiting, drowsiness, dizziness, and general feeling of illness or tiredness, often occur during or after a migraine, even when sumatriptan has not been using. Most of the side effects causing by sumatriptan go away within a short time - less than 1 hour after an injection or 2 hours after a tablet. However, check with your family doctor if any of the following side effects continue or are bothersome:
More common
Burning, discharge, pain andsoreness in the nose; burning, pain, or redness at place of injection; change in sense of taste; discomfort in jaw, mouth, tongue, throat, nose, or sinuses; dizziness; drowsiness; feeling of burning, warmth, heat, numbness, tightness, or tingling; feeling cold, “strange,” or weak; flushing; lightheadedness; muscle aches, cramps, or stiffness; nausea or vomiting
Less common or rare
Anxiety; general feeling of illness or tiredness; vision changes
More common side effects not listed above may also occur in some diseaseds. If you notice any other problems, check with your family doctor.