Dihydroergotamines
Dihydroergotamines are a class of medications that belong to the ergot alkaloids group. They are commonly used to treat migraines and cluster headaches by constricting blood vessels in the brain. These medications work by binding to serotonin receptors and blocking the release of certain chemicals that can trigger headaches. Dihydroergotamines are available in various formulations, including oral tablets, nasal sprays, and injections.