Xinkang Tablets, commonly known as Isosorbide Mononitrate Tablets, are used for the long-term treatment of coronary heart disease, the prevention of angina pectoris, and the continuous treatment of angina pectoris after myocardial infarction. Isosorbide mononitrate tablets, a vasodilator, are used in the treatment of persistent angina after myocardial infarction, in the treatment of coronary heart disease, and in the prevention of angina pectoris.A vasodilatory headache caused by nitrate may occur during the initial period of administration, and the symptoms usually disappear gradually with continued use. Adverse reactions such as dizziness, hypotension and reflex tachycardia may also occur. Isosorbide mononitrate tablets are contraindicated in patients with severe anemia, increased intracranial pressure, glaucoma, allergy to nitro compounds, severe hypotension, pregnant women and lactation, etc. The elderly may be more sensitive to the drug and need to be used with caution. It is recommended that patients take isosorbide mononitrate tablets in accordance with medical advice, if you are using other drugs, you should talk to your doctor in advance to avoid the adverse consequences of blind use of drugs.