Answer
Almotriptan activates serotonin 5-HT1B and 5-HT1D receptors, narrowing certain blood vessels in the head, and inhibits plasma protein leakage from dural vessels through the trigeminovascular system, a process linked to inflammation thought to contribute to migraine.
Sources for this answer
- AlmotriptanZentiva · emc · SmPC §5.1 Pharmacodynamic properties · Version 1Document updated
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