Sumatriptan base USP Base stands for the active pharmaceutical ingredient (API) sumatriptan base and refers to the United States Pharmacopoeia (USP) standard. The medicine is prescribed to treat migraines and cluster headaches. It is a member of the triptan family of medications, which reduce migraine symptoms by tightening blood vessels in the brain and obstructing pain impulses. There are several different kinds of it, including tablets, nasal sprays, and injections. Sumatriptan base USP is known for strength, purity, and quality. It is of a high calibre and adheres to the standards needed for its secure and efficient use.