Fenoprofen and Levothyroxine interaction
Fenoprofen and Levothyroxine: both prescribing labels mention this combination without an instruction to avoid it or change the dose.
Mentioned, no instruction to avoid. Worth knowing; rarely a reason to change anything on its own.
What the FDA labels say
From the Levothyroxine (Levothyroxine Sodium) label · effective 2024-07-10
Other drugs: Carbamazepine Furosemide (> 80 mg IV) Heparin Hydantoins Non-Steroidal Anti-Inflammatory Drugs - Fenamates These drugs may cause protein-binding site displacement.
From the Fenoprofen (Fenoprofen Calcium) label · effective 2026-08-20
Thyroid-stimulating hormone, total thyroxine, and thyrotropin-releasing hormone response are not affected.
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.