Delixin (Haloperidol Melitrexin Tablets) is a combination of Haloperidol and Melitrexin and is indicated for patients with anxiety and depressive disorders. There are reports that the drug may cause ventricular arrhythmia, ventricular fibrillation and other diseases, and should be used with caution in patients with heart disease. Haloperidol Melitrexin Tablets are mainly used for mild to moderate anxiety and depression, neurosis and other disorders. It should be continued for more than 3 months after starting to take it before considering stopping the drug to avoid withdrawal reactions leading to recurrence of the condition. Common adverse effects of the drug include insomnia, dizziness, constipation, and tremor. Tachycardia and arrhythmia have been reported in some patients. Before taking it for patients with heart disease, they should go to the cardiovascular specialist of a regular hospital for evaluation and take it according to the doctor’s advice.