How many captopril tablets to take at one time is usually related to the disease, age and so on, can’t be generalized, usually adults take the dose of 12.5~50mg, pediatric dose according to body weight is 0.3mg/kg. Captopril Tablet, the name of the western medicine, the main ingredient of the drug is captopril, mainly applicable to the treatment of hypertension, heart failure and other diseases. The regular dosage of this drug is slightly different between adults and children. 1. Adult usual dosage: for patients with hypertension, the initial dose of 12.5mg, 2-3 times a day, as needed, 1-2 weeks to 50mg, 2-3 times a day, poor efficacy can be combined with other antihypertensive drugs. For patients with heart failure initial dose of 12.5mg 2 to 3 times daily, gradually increased to 50mg 2 to 3 times daily if necessary. For patients who have recently taken large amounts of diuretics, are in hyponatremia/hypovolemia, and have normal or low blood pressure, the initial dose is 6.25 mg 3 times daily, and the dose is gradually increased. 2. Pediatric usual amount: antihypertensive and treatment of heart failure start both according to the body weight 0.3mg/kg, 3 times a day, if necessary, every 8 to 24 hours to increase 0.3mg/kg. In addition, the above is the standard dosage of the drug routine, specific medication is recommended under the guidance of a professional doctor to standardize the use of drugs, is not recommended to self-administered medication.