Amlodipine benzenesulfonate is used to lower blood pressure and treat angina pectoris, with side effects such as headache, edema, flushing, palpitations (rapid heartbeat, often accompanied by panic), hypotension, and loss of appetite. Amlodipine benzenesulfonate is a dihydropyridine calcium channel antagonist, which can dilate peripheral blood vessels to play a role in lowering blood pressure, and can also relieve angina. It is commonly used in the treatment of hypertension, chronic stable angina and variant angina. Side effects caused by amlodipine benzenesulfonate include neurological manifestations such as headache, dizziness, sensory abnormalities, circulatory manifestations such as edema, palpitations (accelerated heartbeat, often accompanied by panic), flushing, hypotension, and gastrointestinal discomforts such as nausea and vomiting, abdominal pain and diarrhea, loss of appetite, and other adverse reactions such as arthralgia, myalgia, and itchy skin rashes. Amlodipine benzenesulfonate is contraindicated in people with a history of allergy to this drug, and should be used in slow increments in people with impaired liver function. This drug should be used under the supervision of a doctor, and if there is any discomfort, you should seek medical attention.