Sumatriptan

Definition

Sumatriptan is a medication used to treat migraine headaches by narrowing blood vessels around the brain and reducing substances in the body that can trigger headache pain, nausea, sensitivity to light and sound. It belongs to a class of drugs called triptans.

5 Must Know Facts For Your Next Test

1. Sumatriptan is available in several forms, including tablets, nasal spray, and injection.
2. It works by stimulating serotonin receptors in the brain, which leads to vasoconstriction of cranial blood vessels.
3. Common side effects include dizziness, drowsiness, and fatigue.
4. Sumatriptan should be taken at the first sign of a migraine for maximum effectiveness.
5. It is contraindicated in patients with cardiovascular diseases due to its vasoconstrictive properties.

Review Questions

• What is the mechanism of action of Sumatriptan?
• List three common side effects of Sumatriptan.
• Why is Sumatriptan contraindicated in patients with cardiovascular diseases?

Related terms

Triptans:

A class of drugs used to treat migraines by stimulating serotonin receptors.

Migraine: A type of headache characterized by severe pain, often accompanied by nausea and sensitivity to light or sound.

Serotonin Receptors: Receptors in the brain that bind serotonin and are involved in regulating mood and vascular function.