CYP3A4 inhibitory properties, Isoptina this drug diltiazem, nicardipine, verapamil, may also reduce the hepatic metabolism of selected ergot alkaloids and increase the risk of ergot toxicity. For additional information regarding verapamil, you may want to visit our website. Verapamil may inhibit the clearance and increase the plasma levels of theophylline.
Possible side effects of Isoptina include:
Isoptina 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.
When reduction in dosage is possible, the reduction should be gradual.