Nifedipine Extended-Release Tablets are available in the drug specification unit of mg, and the daily dosage is about 10mg. Nifedipine extended-release tablets belong to calcium antagonists and are used in the treatment of chronic stable angina, vasospastic angina, and essential hypertension. The severity of the disease is different, the patient’s physical condition is different, the daily dose will also have some difference, but most patients take a daily dose of about 10mg, the specific dose should be used in strict accordance with the doctor’s instructions. Adverse effects such as decreased blood pressure, swelling of the lower extremities, loss of appetite, constipation, and hyperglycemia may occur when taking the drug. If you need to stop taking calcium antagonist, you need to combine the physical condition of the doctor under the guidance of the gradual reduction of dosage, without the instructions of the doctor, do not terminate the drug. Caution should be exercised in patients with hypotension, severe aortic stenosis, hepatic or renal insufficiency. It is contraindicated in pregnant women and children.