What side effects may I notice from receiving Sumatriptan?

Side effects that you should report to your care team as soon as possible:
-Allergic reactions—skin rash, itching, hives, swelling of the face, lips, tongue, or throat
-Burning, pain, tingling, or color changes in the legs or feet
-Heart attack—pain or tightness in the chest, shoulders, arms, or jaw, nausea, shortness of breath, cold or clammy skin, feeling faint or lightheaded
-Heart rhythm changes—fast or irregular heartbeat, dizziness, feeling faint or lightheaded, chest pain, trouble breathing
-Increase in blood pressure
-Raynaud''s—cool, numb, or painful fingers or toes that may change color from pale, to blue, to red
-Seizures
-Serotonin syndrome—irritability, confusion, fast or irregular heartbeat, muscle stiffness, twitching muscles, sweating, high fever, seizure, chills, vomiting, diarrhea
-Stroke—sudden numbness or weakness of the face, arm, or leg, trouble speaking, confusion, trouble walking, loss of balance or coordination, dizziness, severe headache, change in vision
-Sudden or severe stomach pain, nausea, vomiting, fever, or bloody diarrhea
-Vision loss
Side effects that usually do not require medical attention (report to your care team if they continue or are bothersome):
-Change in taste
-Dizziness
-General discomfort or fatigue
-Irritation inside the nose or throat

This list may not describe all possible side effects for Sumatriptan. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.