Buprenorphine and Levofloxacin interaction
Buprenorphine and Levofloxacin: 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 Buprenorphine (BELBUCA) label · effective 2026-01-02
The risk of combining buprenorphine with other QT-prolonging agents is not known.
From the Levofloxacin label · effective 2024-05-22
Interactions with Laboratory or Diagnostic Testing Some fluoroquinolones, including Levofloxacin in 5% Dextrose Injection, may produce false-positive urine screening results for opiates using commercially available immunoassay kits.
Confirmation of positive opiate screens by more specific methods may be necessary.
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.