Celecoxib and Metronidazole interaction
Celecoxib and Metronidazole: the Celecoxib prescribing label 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 Celecoxib (VYSCOXA) label · effective 2025-07-31
Co-administration of celecoxib with drugs that are known to inhibit CYP2C9 (e.g., fluconazole) may enhance the exposure and toxicity of celecoxib whereas co-administration with CYP2C9 inducers (e.g., rifampin) may lead to compromised efficacy of celecoxib.
A dosage adjustment may be warranted when VYSCOXA is administered with CYP2C9 inhibitors or inducers [ see Clinical Pharmacology (12.3) ].
CYP2C9 Inhibitors or inducers Clinical Impact: Celecoxib metabolism is predominantly mediated via cytochrome P450 (CYP) 2C9 in the liver.
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.