Hypertension drugs most common five categories, each drug has certain side effects: 1, CCB class: commonly used amlodipine, nifedipine, nicardipine, benidipine and other drugs, the main adverse reactions of this class of drugs is red face, headache, ankle edema; 2, ACEI class: commonly used antihypertensive drugs, such as captopril, enalapril, benazepril and other drugs, the most obvious adverse reactions of this class of drugs is irritating dry cough; 3, ARB class: that is, sartan class of antihypertensive drugs, this class of drugs for bilateral renal artery stenosis, renal insufficiency, and pregnant patients are advised not to take. The most obvious adverse reactions of this class of drugs is irritating dry cough; 3, ARB class: that is, sartan class of antihypertensive drugs, this class of drugs for the emergence of bilateral renal artery stenosis, renal insufficiency, and pregnancy patients recommended not to take, other than no obvious adverse reactions; 4, beta-blockers: such as betalactone, Conotoxin, Aroclor and so on, the main adverse reaction is that it will slow down the heart rate, so if the heart rate is slow patients Or patients with electrocardiogram suggestive of conduction block, more than second-degree atrioventricular block, it is not recommended to take; 5, diuretics: diuretics will appear as the main adverse reactions, increased urine volume, reduced blood potassium, increased uric acid, you can take this class of drugs, regular laboratory tests of blood potassium levels, laboratory tests of blood electrolytes and blood uric acid levels to avoid adverse reactions.