The accelerated heart rate after taking nifedipine tablets controlled release tablets may be caused by the side effects of the drug, if it is a transient accelerated heart rate does not require special treatment, keep enough sleep and optimistic mood can be recovered by themselves; if the heart rate is accelerated for a long time, the patient should reduce the amount of drugs or replace it with other drugs. Once serious arrhythmia occurs, please consult your doctor and take timely measures. Nifedipine Controlled Release Tablets are used to treat hypertension, coronary heart disease and chronic stable angina. Adverse reactions such as headache, constipation, sensory discomfort, edema, anxiety, sleep abnormalities, vertigo, migraine, visual abnormalities, tachycardia, palpitations, hypotension, nasal congestion, nausea, dyspepsia, erythema, muscle spasms, polydipsia, erectile dysfunction, and chills may occur with the administration of this drug. It is contraindicated in those who are allergic to any component of nifedipine, in those with cardiogenic shock, in patients with KOCK vesicles, within 20 weeks of pregnancy and in lactating women. Use with caution in patients with severe aortic stenosis, hepatic and renal insufficiency, and this product should not be combined with rifampicin. If you need to use nifedipine controlled-release tablets or cardiac arrhythmia, please consult a professional doctor, follow the doctor’s instructions, reasonable treatment.