Clobazam and Levonorgestrel interaction
Clobazam and Levonorgestrel: the Clobazam prescribing label mentions 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 Clobazam (SYMPAZAN) label · effective 2025-12-01
Effect of SYMPAZAN ® on Other Drugs Hormonal Contraceptives SYMPAZAN ® is a weak CYP3A4 inducer.
As some hormonal contraceptives are metabolized by CYP3A4, their effectiveness may be diminished when given with SYMPAZAN ® .
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.