Amlodipine besylate tablet is one of the calcium ion antagonists, and its main side effects are: first, it causes facial blood vessels to expand, resulting in facial redness or headache. Second, it can cause edema of lower limbs. At present, the main side effects of calcium antagonists are these two aspects. Amlodipine besylate tablet is a long-acting preparation, and its side effects are relatively small. Generally, once a day, it can be taken for 24 hours, and the blood pressure can be kept stable while controlling the blood pressure. Generally, it can continue to be used when the side effects are relatively minor. If the side effects are very obvious, it can also be stopped and replaced by other drugs. The above scheme is only for reference. Please use the specific drugs under the guidance of professional doctors according to your own conditions.