Lodinexin, commonly known as Benadryl Hydrochloride Tablets, is an angiotensin-converting enzyme inhibitor. Prolonged use may result in significant hypotension, accompanied by electrolyte disorders and renal failure, but it is not a certainty that it will occur, and should not be discontinued on its own because of possible adverse reactions, and the specific use of the drug should be in accordance with the doctor’s instructions. Benadryl hydrochloride tablets for the treatment of hypertension, congestive heart failure, as well as poor response to digitalis or diuretics congestive heart failure patients, adjuvant therapy, can play a very good effect. Benadryl hydrochloride tablets is a common antihypertensive drugs, long-term use may lead to hypotension, and diuretics are prone to electrolyte disorders, in some sensitive patients may occur renal function changes, long-term use of this drug for treatment may trigger progressive azotemia, or even cause acute renal failure. It is recommended to take it after consulting with a professional doctor, and if any adverse reaction occurs, go to the hospital in time, under the guidance of the doctor, identify the cause of the disease and carry out targeted treatment.