Alisatan ester tablets can not reach the effective dose if only half a tablet is taken, and can not control high blood pressure well. Alisatan ester tablets belong to antihypertensive drugs, clinically mainly used in the treatment of primary mild to moderate hypertension. The common specifications of this product are 80mg/tablet and 240mg/tablet, and its recommended dosage is 240mg a day, and the maximum antihypertensive effect can be achieved after 4 weeks of treatment. Therefore if only half a tablet is taken, it does not achieve an effective dose and therefore does not produce the desired antihypertensive effect. Adverse effects of this product include dizziness, headache, elevated lipids, elevated transaminases, hypercholesterolemia, etc. It is contraindicated in those who are allergic to this product as well as in mid- to late-term pregnancy and during breastfeeding. Please take the dosage according to the doctor’s prescription, and do not change the dosage by yourself to avoid poor blood pressure control.