Class 3 Antiarrythmics has 2 known drug interactions based on U.S. FDA drug labeling data. 2 are classified as major interactions requiring close medical supervision. Notable interactions include combinations with Pimavanserin, Pimavanserin Tartrate. Patients taking Class 3 Antiarrythmics should inform their healthcare provider of all current medications — including over-the-counter drugs and supplements — to avoid potentially harmful combinations. Data sourced from OpenFDA and the NIH National Library of Medicine.

Total: 2
Major: 2

Major (2)

Class 3 Antiarrythmics + Pimavanserin— Concomitant use may add to QT prolongation effects of pimavanserin and increase risk of cardiac arrhythmia.
Class 3 Antiarrythmics + Pimavanserin Tartrate— Concomitant use may add to QT prolongation effects and increase risk of cardiac arrhythmia.

Data sourced from U.S. FDA drug labeling via openFDA and the NIH National Library of Medicine. For informational purposes only. Always consult your pharmacist or physician.