Sumatriptan + Butorphanol Tartrate Interaction
Moderateinteraction on record
Description
Butorphanol pharmacokinetics significantly altered when administered 1 minute after sumatriptan nasal spray (29% AUC decrease, 38% Cmax decrease). Analgesic effect may be diminished with concurrent use. Safety not established.
Mechanism
Altered absorption when administered shortly after sumatriptan; effect minimal if separated by 30 minutes
Source: NLP:butorphanol tartrate