Acetaminophen and Tramadol and acetaminophen interaction
Acetaminophen and Tramadol and acetaminophen: both prescribing labels flag this combination with the strongest language, such as a contraindication, a boxed warning, or an instruction to avoid it.
Do not combine without a prescriber's guidance. The label language below is the strongest FDA uses.
What the FDA labels say
From the Tramadol and acetaminophen (Tramadol Hydrochloride and Acetaminophen) label · effective 2026-01-01
A baby nursing from an ultra-rapid metabolizer mother taking tramadol hydrochloride and acetaminophen could potentially be exposed to high levels of M1, and experience life-threatening respiratory depression.
Increased Risk of Hepatotoxicity with Concomitant Use of Other Acetaminophen-containing Products Due to the potential for acetaminophen hepatotoxicity at doses higher than the recommended dose, tramadol hydrochloride and acetaminophen tablets should not be used concomitantly with other acetaminophen containing products.
From the Acetaminophen label · effective 2025-08-18
Effects of Other Substances on Acetaminophen Substances that induce or regulate hepatic cytochrome enzyme CYP2E1 may alter the metabolism of acetaminophen and increase its hepatotoxic potential.
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.