OBLONG, WHITE, 3/4 IN. BY 1/4 IN. PILL ## Based on the description provided, I found your pill to be Isradipine 5 mg. It is usually prescribed for the treatment of high blood pressure in order to reduce the risk of stroke and heart attack. You can view a detailed description of the drug, by clicking on the link below... If you have any more questions or comments to add, please post back so I can further assist you.