Amlodipine is a calcium channel blocker class of antihypertensive drugs, in the human body is mainly metabolized by the liver, so there is no damage to the kidneys. Amlodipine is a commonly used antihypertensive drug in clinic, belongs to dihydropyridine calcium channel blocker, with good and stable antihypertensive effect, this kind of drug is mainly metabolized by liver in human body, 90% of amlodipine components can be metabolized to inactive substances in liver, and then excreted through urine, so there is no damage to kidneys. Adverse effects of amlodipine include autonomic nervous system symptoms such as flushing, generalized fatigue, dizziness, palpitations (rapid heartbeat, often accompanied by panic), abdominal pain, nausea, etc.; it is contraindicated for those who are allergic to the drug, patients with severe hypotension, and patients with severe aortic stenosis. If elevated blood pressure is found, it is recommended to go to the hospital in time and follow the doctor’s instructions to use the medicine, do not use the medicine on your own, in order to avoid the related adverse reactions.