Carvedilol is a neurohumoral antagonist with multiple actions including non-selective beta blockade, alpha blockade and antioxidant properties. It may dilate blood vessels. It can treat essential hypertension and symptomatic congestive heart failure. Side effects after taking the drug may include: dizziness and weakness, headache, depression, sleep disturbances, bradycardia, angina, gastrointestinal discomfort, dry mouth, urinary disturbances, dry eyes. Carvedilol Tablets are contraindicated in patients with the following conditions: class IV decompensated heart failure, asthma, chronic obstructive pulmonary disease with bronchospasm, liver function abnormalities, patients with atrioventricular block of degree II-III, patients with severe bradycardia, cardiogenic shock, sick sinus syndrome, severe hypotension, and those who are allergic to Carvedilol Tablets. Carvedilol should not be taken by breastfeeding patients, athletes should also be used with caution. If you need to use, please consult a professional doctor, follow the doctor’s instructions, and rational use of medication.