Candesartan generally refers to the antihypertensive drug candesartan ester tablets, which generally do not affect the heart rate. 1. Candesartan ester tablets belong to the angiotensin II receptor blocker class of antihypertensive drugs, through the competition to make angiotensin II can not bind to the receptor, so as to achieve the purpose of lowering blood pressure. Therefore, this class of drugs has no effect on heart rate. 2. Common adverse reactions after taking candesartan ester tablets include dizziness, unsteadiness, etc. Headache, gastrointestinal discomfort, insomnia, abnormal taste, skin rash, itching, etc. may occur in a small number of people. 3. Candesartan ester tablets should be contraindicated in patients who are allergic to the ingredients of this drug, severe hepatic or renal insufficiency, cholestasis, and women during pregnancy. Candesartan Tablet should be taken under the guidance of a doctor, do not change the dosage.