Side effects may include sleepiness or QT prolongation. Significant prolongation has not yet been observed at recommended dosage levels, however, those taking inhibitors of the liver enzymes CYP2D6 or CYP3A4 – or who are poor CYP2D6 metabolizers – may be at risk for significant prolongation.
Valbenazine
Brinzolamide
Nitroxazepine
Ranolazine
Brotizolam
Benazepril
Methyldopa
Propranolol