Fosinopril sodium tablets can take half a tablet needs to be based on the specific condition, follow the doctor’s instructions to take, during the use of the drug should be closely observed changes in blood pressure and heart function. Fosinopril sodium is an angiotensin-converting enzyme inhibitor, used in the treatment of hypertension or heart failure, the dosage of the drug must follow the individualized selection, adjusted according to the efficacy of the instructions need to be a small dose (1 tablets) to start, whether to take half a tablet, according to the specific condition of the doctor’s advice. Common adverse reactions include dizziness, cough, nausea or vomiting, diarrhea and bloating, palpitations or chest pain, rash or itching. It should be used with caution for those with bone marrow suppression, high blood potassium, liver dysfunction, leukopenia, isolated kidney, transplanted kidney, bilateral renal artery stenosis and with reduced renal function. If there are symptoms of hypertension or heart failure, it is recommended to consult a regular hospital in time, complete the relevant examinations, and follow the doctor’s instructions for individualized treatment according to the specific conditions, and do not blindly self-medication, so as not to delay the condition or cause adverse reactions.