Mexilette is Mexilette Hydrochloride Tablets, which are indicated for chronic ventricular arrhythmias, such as premature ventricular beats, ventricular tachycardia, and so on. The specific use of the drug should follow the doctor’s instructions. The use of Mesylate hydrochloride tablets should be noted that the product components of allergy is prohibited, cardiogenic shock and have Ⅱ or Ⅲ degree atrioventricular block, sick sinus syndrome is prohibited. Some patients may experience nausea, vomiting, dizziness, ataxia, nystagmus, somnolence, coma and convulsions, diplopia, blurred vision, psychosis, insomnia and other adverse reactions. If patients need to use Mesylate Hydrochloride Tablets for treatment, they need to standardize the use under the guidance of a doctor to avoid adverse consequences.