Granisetron and Oxycodone and acetaminophen interaction

Granisetron and Oxycodone and acetaminophen: both prescribing labels mention this combination without an instruction to avoid it or change the dose.

Minor

Mentioned, no instruction to avoid. Worth knowing; rarely a reason to change anything on its own.

What the FDA labels say

From the Granisetron (Granisetron Hydrochloride) label · effective 2025-04-24

Minor

In addition, the activity of the cytochrome P-450 subfamily 3A4 (involved in the metabolism of some of the main narcotic analgesic agents) is not modified by granisetron hydrochloride in vitro .

Drug interactionsby drug classView label on DailyMed

From the Oxycodone and acetaminophen (OXYCODONE HYDROCHLORIDE) label · effective 2025-06-05

Minor

Serotonergic Drugs Clinical Impact: The concomitant use of opioids with other drugs that affect the serotonergic neurotransmitter system has resulted in serotonin syndrome [see Adverse Reaction ( 6.2)].

Drug interactionsby drug classView label on DailyMed

Taking more than these two? Interactions stack. Check your whole list at once; it stays in your browser.

Open in the checker

Not 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.