Carvedilol tablets are often used with thiazide diuretics, which have a synergistic effect and can lead to increased antihypertensive effects. However, it should be used in accordance with the instructions of the doctor, otherwise it will lead to side effects. Carvedilol tablets have the efficacy of the treatment of essential hypertension, can alleviate the symptoms of heart failure in the condition, during the use of drugs may appear mild dizziness, weakness or head pain symptoms, a few people will also appear hives and other adverse reactions, the condition is serious, we must go to the hospital in a timely manner, allergic to the components of the product is not to be used. During the treatment period may appear sleep disorders, side effects will be different due to the different dosage size of the drug, their own physical condition, etc., the side effects are also different. Patients with high blood pressure can develop the habit of taking a lunch break at noon, which helps to stabilize the heart rate, assist in lowering blood pressure, and avoid physical fatigue. If there is any discomfort, it is recommended to go to the hospital in time for treatment.