Tegretol tablets can be taken before meals or after meals. Tegretol is mostly used clinically for the treatment of acute coronary syndromes, which can effectively reduce cardiovascular risk and the incidence of heart attacks. The drug needs to be co-administered with aspirin for 12 months, and patients should not discontinue the medication on their own, which may increase the risk of myocardial infarction or cardiovascular death. The specific duration and dosage of the drug should be used under the supervision of a doctor. Common adverse reactions after the administration of this product include bleeding, dyspnea, hyperuricemia, gout, headache and dizziness, vertigo, hypotension, dyspepsia, constipation, diarrhea and so on. Note that active bleeding, history of intracranial hemorrhage, severe hepatic insufficiency, and hypersensitivity to the product are contraindicated. Avoid coadministration with potent CYP3A4 inhibitors such as clarithromycin and ketoconazole. Tegretol tablets taken on an empty stomach, rapid absorption, fast onset of action, but mild gastric stimulation, patients with poor gastrointestinal function try to take after meals, patients should also pay attention to low-salt and low-fat diet during the use of the drug; after meals can reduce gastrointestinal irritation, but the time interval is best to be carried out in one hour to reduce the damage to the gastric mucosa. Patients should strictly follow the instructions of the doctor under the guidance of a professional physician, do not stop or change the medication without authorization.