Candesartan common dosage form of tablets, capsules, etc., its main ingredients, therapeutic effect is basically the same, there is no so-called “which is better” argument. Candesartan is an angiotensin II antagonist drug, common dosage forms are tablets, capsules, the main ingredient is candesartan ester, which can reduce peripheral vascular resistance, but also through the inhibition of adrenal secretion of aldosterone to play a certain antihypertensive effect, clinically mainly used in the treatment of essential hypertension. Some patients taking Candesartan may develop angioedema, manifested as symptoms of edema of the face, lips and throat, and also fever, dyspnea, syncope, etc. If persistent or progressive discomfort occurs, a doctor should be consulted promptly, and if necessary, adjustments to the medication should be given. Patients in the use of this drug, should strictly follow the doctor’s instructions for medication, not unauthorized increase or decrease in dosage, overdose can occur symptomatic hypotension and dizziness, should be timely consultation and treatment. At the same time, taking this drug need to try to avoid high altitude work, driving vehicles, to avoid serious effects. Candesartan is a prescription drug, patients should use the drug under the guidance of a doctor when discomfort occurs, and should not blindly use it on their own to avoid the risk of medication.