

Therefore, reduced effectiveness of sensitive CYP3A4 substrates may occur when used concomitantly with WAKIX. WAKIX is a borderline/weak inducer of CYP3A4.Patients should avoid centrally acting H 1 receptor antagonists. H 1 receptor antagonists that cross the blood-brain barrier may reduce the effectiveness of WAKIX.
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Dosage adjustments may be required (see full prescribing information). Concomitant use of WAKIX with strong CYP3A4 inducers decreases exposure of pitolisant by 50%.


Avoid use in patients with a history of cardiac arrhythmias, as well as other circumstances that may increase the risk of the occurrence of torsade de pointes or sudden death, including symptomatic bradycardia, hypokalemia or hypomagnesemia, and the presence of congenital prolongation of the QT interval. WAKIX prolongs the QT interval avoid use of WAKIX in patients with known QT prolongation or in combination with other drugs known to prolong the QT interval.WAKIX is also contraindicated in patients with severe hepatic impairment. WAKIX is contraindicated in patients with known hypersensitivity to pitolisant or any component of the formulation.
