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Imitrex is a prescription medication that is manufactured GlaxoSmithKline and comes as a tablet in three strengths, 35 mg, 70 mg, and 140 mg, an intramuscular injectable form, and as a nasal spray. Migraine and cluster headaches are the most common conditions for which your doctor may prescribe Imitrex. The normal dose is a single tablet of the strength prescribed by your doctor at the time the first symptoms are noticed. The nasal spray formulation of Imitrex can provide significant benefits to those people who are unable to swallow a tablet. The nasal spray, because it is absorbed directly into the blood stream through both the vessels in the nasal passages and in the lungs, may act more quickly for many. Imitrex can overcome the debilitating effects of a migraine or cluster headache and allow people to return to a normal productive life much more quickly.

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Extreme light sensitivity and an intense throbbing pain are the telltale symptoms of the typical migraine headache. Migraines can last as long as three days and produce other symptoms such as blurred vision, nausea, and vomiting. Cluster headaches appear more suddenly than migraines and usually involve a steady, intense pain located at one point on the head, many times the area of one of the eyes. Cluster headaches usually are of shorter duration than migraines as well, rarely lasting longer than three hours, but can reoccur repeatedly for long periods of time. Imitrex acts on the blood vessels in the brain causing them to constrict and restrict the blood flowing through them. Exactly why this stops the symptoms of these types of headaches is unknown but it is believed to have something to do with the brain not being able to process the pain signals. For many, Imitrex has eliminated the need to take a plethora of drugs in an attempt to get relief.

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More common side effects include atypical sensations, vertigo, pain and pressure sensations, and fatigue. Imitrex pills information