The adverse reactions of low molecular heparin sodium are often the following: 1. Some patients may develop peptic ulcers during the injection of the drug, especially in combination with non-steroidal drugs, such as aspirin, etc. 5. The risk of bleeding will be increased if clotrimazole is taken again during the administration of the drug. Therefore, during the use of the drug need to promptly observe the patient’s physical condition, and need to strictly follow the doctor’s requirements for use, such as significant physical discomfort or bleeding tendency, need to promptly go to the hospital for follow-up, in order to prevent delays, resulting in further aggravation of the disease.