Imitrex Sumatriptan has several advantages but it also can’t be ignored that it may cause many side effects.

Most of these adverse reactions are milder and arise less often with the tablets than with the injection. All of these side effects may not occur. These are some basic assumptions. It can happen that some patient will have some adverse reaction while others have something other. But it is indispensable that the patient should seek immediate medical help.

Some serious side effects have been caused by Imitrex. This include shortness of breath, convulsions (seizures); chest pain (severe); changes in skin color on face; fast or irregular breathing; puffiness or swelling of eyelids, area around the eyes, face, or lips; troubled breathing, or wheezing.

Discontinue using this medicine and check with your doctor immediately if any of the following side effects continue for more than 1 hour. Even if they move in less than 1 hour, consult your doctor before using any more Sumatriptan. It is associated with heaviness, tightness, or pressure in chest and/or neck.

Also talk to your doctor as soon as possible if any of the following side effects occur:

Some common cardiovascular diseasesare palpitations, syncope, decreased blood pressure, and increased blood pressure. Infrequent were arrhythmia, changes in ECG, hypertension, hypotension, pallor, pulsating sensations, and tachycardia.

There are also rare adverse reaction like angina, atherosclerosis, bradycardia, cerebral ischemia, cerebrovascular lesion, heart block, peripheral cyanosis, thrombosis, transient myocardial ischemia, and vasodilation.

A number of side effects may occur that usually do not need medical consideration. Some of the following effects, such as nausea, vomiting, drowsiness, dizziness, and general feeling of illness or tiredness, often take place during or after a migraine, even in the lack of use of sumatriptan. Nearly all of the side effects caused by sumatriptan move within a short time (less than 1 hour after an injection or 2 hours after a tablet). Yet, consult your doctor if any of the following side effects continue or are bothersome:

Several endocrine and metabolic diseases include thirst, hypoglycemia; hypothyroidism; elevated thyrotropin stimulating hormone (TSH) levels; galactorrhea; hyperglycemia; polydipsia; weight gain; weight loss; endocrine cysts, lumps, and masses; and fluid disturbances.

There are some gastrointestinal diseases caused by this drug. These are diarrhea and gastric symptoms. Some uncommon adverse reactions are dysphagia, constipation, and gastroesophageal reflux. There are also exceptional disease like hypersalivation, abdominal distention, peptic ulcer, gastrointestinal bleeding, hematemesis, melena, gastrointestinal pain, dyspeptic symptoms, dental pain, feelings of gastrointestinal pressure, gastroesophageal reflux, gastritis, gastroenteritis, oral itching and irritation, salivary gland swelling, and swallowing disorders.

Myalgia is a common side effect of Imitrex. It also occasionally causes arthralgia and articular rheumatitis; muscle cramps, tetany; muscle atrophy, weakness, and tiredness; acquired musculoskeletal deformity; muscle stiffness, tightness, and rigidity; and musculoskeletal inflammation.

Serious cardiac events have been reported by some patients using Imitrex tablets. These events are particularly rare. Some patients suffer from transient myocardial ischemia, coronary artery vasospasm, myocardial infarction, ventricular tachycardia, and ventricular fibrillation by using this drug.