It is possible to have bleeding after taking urotropin, mainly because this drug is an ovulation-promoting drug, and there will be withdrawal bleeding after stopping the drug, so it will cause a small amount of bleeding in the clinic, so don’t be nervous. If the amount of bleeding is high, go to the hospital to give symptomatic treatment. It is important to pay high attention to the use of this drug and to give appropriate medication under the supervision of a doctor, because clinically urotropin may cause ovarian hyperstimulation, increase the size of the ovaries and cause localized rupture of the ovaries with cysts. Therefore, if patients have symptoms such as pain in the lower abdomen or chest tightness, low urination, etc., they should go to the hospital for examination and treatment in a timely manner. In addition, the possibility of multiple pregnancies increases with the use of this drug, so it is important to go to the hospital as soon as possible to check whether the pregnancy is a singleton pregnancy or a multiple pregnancy.