The main side effects of Rhubarb Sting Worm Pill are skin rash, increased menstrual flow and prolonged menstruation. It is used in gynecology to treat women with low menstrual flow, amenorrhea, menstrual disorders, pelvic inflammatory masses, hot flashes, and wasting. Since the main ingredients of this medicine are Shu Huang, earthworms and leeches, there are a few sensitive people who may develop allergy-like symptoms such as rash, erythema and itchy skin after using the medicine, at which time the medicine should be stopped and other treatment options should be chosen. Women may experience irregular vaginal bleeding, increased menstrual flow, incomplete menstruation, etc. If the bleeding is heavy and prolonged, it may induce anemia, and whether the patient can continue to use the drug should be judged according to her own situation. Patients should also be careful to avoid eating spicy and stimulating foods and drinking alcohol when taking the medication to avoid aggravating the side effects of the medication.