Vasalax is the trade name and its generic name is Trimetazidine Hydrochloride Tablets. This medication is not used to relieve premature beats. Trimetazidine Hydrochloride Tablets is a Western medicine that is an anti-anginal agent. It is used as symptomatic treatment for adult patients with stable angina that is not well controlled by first-line antianginal therapy and is not tolerated. The drug is not used to treat premature beats. Adverse effects of trimetazidine hydrochloride tablets include dizziness, headache, abdominal pain, diarrhea, dyspepsia, nausea, vomiting, rash, pruritus, urticaria, weakness, low arterial pressure, upright hypotension, palpitations, extra-periodic contractions, tachycardia, Parkinson’s syndrome, unsteady gait, restless leg syndrome, granulocyte deficiency, thrombocytopenia. The contraindications of Trimetazidine Hydrochloride Tablets are contraindicated in those who are allergic to any component of the product; in those with Parkinson’s disease, Parkinson’s syndrome, tremor, restless legs syndrome, and other related movement disorders; and in those with severe renal impairment (creatinine clearance <30ml/min). The drug should not be used by pregnant and lactating women. Use with caution in athletes. When using the drug, it should also be noted that trimetazidine hydrochloride tablets are not used as a symptomatic therapeutic agent in angina attacks, nor in the initial treatment of patients with unstable angina or myocardial infarction. Trimetazidine is not to be used for treatment of patients prior to or during the first few days after admission to the hospital. Trimetazidine Hydrochloride Tablets should be used under the guidance of a professional doctor, do not blindly self-medication, in order to avoid aggravation of the condition or adverse reactions.