The side effects of Chuanxiongzizine Phosphate Injection are that some patients may experience adverse reactions such as stomach upset, dry mouth and drowsiness after using this product. Chuanxiongzizine Phosphate Injection is a vasodilator, commonly used clinically in the treatment of ischemic cerebrovascular diseases, such as cerebral blood supply insufficiency, cerebral embolism, cerebral thrombosis, etc. Adverse reactions such as gastric discomfort, dry mouth and drowsiness may occur in some patients after using this product, but can be relieved by discontinuing the drug. It should be noted that it should be contraindicated for those who are allergic to the product and patients with cerebral edema, cerebral hemorrhage or bleeding tendency, while it should be used with caution in pregnant or lactating women. In addition, patients with coronary heart disease should pay attention to observe the changes of heart and blood pressure during intravenous drip. This product is a prescription drug, the specific use should also follow the doctor’s instructions.