Sumatriptan Teva Side Effects

Like all medicines, Sumatriptan Teva can cause side effects, although not everybody gets them.
The following side effects are possible with the following frequencies: Common: 1 to 10 of every 100 patients may have these: Drowsiness, dizziness, tingling; Temporary increase in blood pressure (arising soon after treatment), flushing; Feeling sick (nausea) or being sick (vomiting); Sensation of tension [generally transient (temporary), but may be strong and may appear in any part of the body, including chest and throat]; Pain, sensation of heat, pressure, tightness or anxiety [may be strong and may appear in any part of the body, including chest and throat]; Feeling of weakness, tiredness.
Very rare: Fewer than 1 in every 10,000 patients may have these: Allergic reactions of the skin [skin rash such as red spots or hives (skin lumps)]; Anaphylaxis (strong allergic reactions such as swelling of eyelids, face or lips and sudden wheeziness, fluttering or tightness in the chest) [if any strong allergic reaction appears, stop taking Sumatriptan Teva and contact the doctor immediately]; Nystagmus (involuntary back and forth movement of the eyeball), scotoma (dark spots in the field of vision), tremor and dystonia (involuntary muscle contractions); Fits [usually in people with a history of epilepsy]; Visual disturbances (flickering, diplopia, reduced vision, loss of vision including permanent defect), although these may be caused by the migraine attack itself; Racing heart, slow heartbeat, palpitations, irregular heartbeat, and serious complications of the coronary artery, heart attack, transient ischaemic ECG changes; Decrease in blood pressure, which is a disease characterised by signs of paleness or a blue tinge to the skin and/or pain of the fingers, toes, ears, nose or jaw in response to cold or stress (Raynaud's phenomenon); Inflammation of the colon (part of the intestine), which may present as lower left-sided stomachache and bloody diarrhoea; Neck stiffness.
If a blood test is performed to check the liver function, Sumatriptan Teva may affect the results.
If any of the side effects gets serious, or if noticing any side effects not previously listed, tell the doctor or pharmacist.