The generic name is amlodipine benzenesulfonate tablets, amlodipine benzenesulfonate tablets take a quarter of a tablet can be used for children aged 6 to 17 years or short stature, frail, elderly, or with hepatic insufficiency. The specifications of amlodipine benzenesulfonate tablets on the market are 5mg and 10mg. If the quarter tablet of 10mg amlodipine benzenesulfonate is 2.5mg, the dosage is effective for children aged 6-17 years old, and it can be used as the starting dose for those who are short in stature, weak, old, or with hepatic insufficiency, or the dosage when combining with other antihypertensive drug treatment. However, for adults with either hypertension or coronary artery disease, the recommended dose is 5mg-10mg. a quarter of a tablet of either size of amlodipine benzenesulfonate tablets is too small a dose to achieve effective blood concentrations and poor efficacy. Adverse reactions to amlodipine benzenesulfonate tablets include edema, dizziness, flushing, and palpitations (rapid heartbeat, often accompanied by panic). It is necessary to use the drug under the guidance of a professional doctor, avoiding self-adjustment of drug dosage.