Methohexital and Propofol interaction
Methohexital and Propofol: both prescribing labels describe an interaction that usually calls for monitoring, a dose change, or spacing the doses.
Usually manageable with monitoring or a dose change. Tell your pharmacist you take both.
What the FDA labels say
From the Propofol (Diprivan) label · effective 2025-09-10
As with other sedative medications, there is wide interpatient variability in DIPRIVAN dosage requirements, and these requirements may change with time.
…intramuscular or intravenous premedication, particularly with opioids (e.g., morphine, meperidine, and fentanyl, etc.) and combinations of opioids and sedatives (e.g., benzodiazepines, barbiturates, chloral hydrate, droperidol, etc.). These agents may increase the anesthetic or sedative effects of DIPRIVAN and may also result in more pronounced decreases in systolic,…
Opioids, Sedatives or Other Analgesic Agents : May increase the anesthetic/sedative and cardiorespiratory effects.
From the Methohexital (Brevital Sodium) label · effective 2026-05-05
Apnea/hypoventilation may be noted during induction, which may impair pulmonary ventilation; the duration of apnea may be longer than that produced by other barbiturate anesthetics.
Taking more than these two? Interactions stack. Check your whole list at once; it stays in your browser.
Open in the checkerNot medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.