Dexamethasone and Pitolisant interaction
Dexamethasone and Pitolisant: the Pitolisant prescribing label describes 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 Pitolisant (Wakix) label · effective 2026-02-13
Strong CYP3A4 Inducers: Decreased exposure of WAKIX; consider dosage adjustment of WAKIX ( 2.6 , 7.1 )
Strong CYP3A4 Inducers Clinical Implication: Concomitant use of WAKIX with strong CYP3A4 inducers decreases exposure of pitolisant by 50%.
If concomitant dosing of a strong CYP3A4 inducer is discontinued, decrease WAKIX dosage by half [see see Dosage and Administration ( 2.6 ), Clinical Pharmacology ( 12.3 )] .
Prevention or Management: Assess for loss of efficacy after initiation of a strong CYP3A4 inducer.
Effect of WAKIX on Other Drugs Sensitive CYP3A4 Substrates Clinical Implication: WAKIX is a borderline/weak inducer of CYP3A4.
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.