Patients with high blood pressure need to abstain from alcohol and drinking alcohol is not recommended. After taking antihypertensive drugs, it is necessary to wait until the drug is metabolized before drinking alcohol, but antihypertensive drugs should be taken every day in order to maintain a stable concentration of drug to control blood pressure. Therefore, drinking alcohol is not recommended for hypertensive patients. Drinking alcohol after taking antihypertensive drugs may have more serious consequences. Alcohol can cause vasodilatation, thus aggravating the adverse drug reactions, patients may experience tachycardia, hypotension, gastrointestinal disorders, serious cases can lead to pulmonary edema, myocardial ischemia and so on. Alcohol can also cause damage to the endothelium of blood vessels, raising the risk of atherosclerosis and increasing the cardiovascular damage caused by hypertension. Patients are more likely to develop hypertension complications. If discomfort occurs, it is recommended to go to the hospital in time for treatment.