Verapamil is a substrate example moderate inhibitor of CYP3A. Verapamil may inhibit the clearance and increase the plasma levels of theophylline.
Possible side effects of Verasol include:
Verasol is used to treat diseases such as: Angina, Arrhythmia, Bipolar Disorder, Cluster Headaches, High Blood Pressure, Idiopathic Hypertrophic Subaortic Stenosis, Migraine Prevention, Nocturnal Leg Cramps, Supraventricular Tachycardia.
However, studies in animals have shown that these medicines cause birth defects or other problems when given in doses higher than the usual human dose.