Butorphanol

Name: Butorphanol Drug Interactions
Creator: Dr. Brian Staiger, PharmD, BCPS

35 interactions 4 explained in plain English

Also sold as: Butorphic Dolorex Solution Torbugesic Torphadine Vetorphic

Medically reviewed by Dr. Brian Staiger, PharmD, BCPS · Updated Jul 4, 2026 · Editorial policy · Data sources

Sources: FDA prescribing information (Structured Product Labeling), the published literature cited in each entry, DDInter 2.0 (a major open-access drug-interaction database), and legacy DrugBank interaction data distributed by the NIH's RxNav service (decommissioned in 2024) — analyzed and reviewed by our pharmacist team. How we build this library →

Most serious with: Acetaminophen And Codeine Granisetron Transdermal Patch Diphenhydramine Injection Palonosetron Injection Morphine Injection Linezolid Injection

33 Major 2 Moderate

All (35) Major (33) Moderate (2)

Moderate

Butorphanol Clonidine Transdermal Patch Catapres An increased risk of sedation and somnolence Details Butorphanol Desmopressin Nasal Concentraid® Increased risk of water intoxication with hyponatremia Details

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Educational information only, not medical advice. Always confirm interactions with your pharmacist or prescriber before making any change to your medications.