Nebistar-H Tablet is used to treat hypertension (high blood pressure) and reduce the risk of stroke in patients with high blood pressure. Nebistar-H Tablet is a combination medication generally used when a single medicine cannot control high blood pressure. Hypertension or high blood pressure is a life-long or chronic condition in which the force exerted against the artery wall becomes too high. It can lead to the risk of heart diseases like heart attack and stroke