Amlodipine benzenesulfonate has side effects, but their occurrence varies from person to person and it is not possible to state the severity of the side effects of the drug in a uniform manner. Amlodipine benzenesulfonate tablets are indicated for the treatment of essential hypertension, chronic stable angina and variant angina. Multi-system adverse reactions may occur with the drug, with headache and edema being the most common. Cardiovascular adverse reactions are palpitations (rapid heartbeat, often accompanied by panic), hypotension, and syncope. Gastrointestinal adverse reactions include nausea, vomiting, abdominal pain, and dyspepsia. In addition, some patients may experience urinary frequency, arthralgia, and drowsiness. This product should be contraindicated in people who are allergic to this product or to dihydropyridine calcium antagonists. The occurrence of the above side effects (type and degree) is different for each user, so it is not possible to determine the severity of the side effects of the drug, the specific adverse reactions vary from person to person, and the drug needs to be rationally applied in accordance with the doctor’s instructions.