There is bleeding present after using metronidazole effervescent tablets, which is not normal at this time, and normally there will not be any bloody discharge present. There may be a number of reasons for this. For example, when using vaginally, the finger cuff enters the vagina to deliver the medication too deeply, there will be a small amount of bleeding caused by irritation of the cervix, including the vaginal wall. After using metronidazole effervescent tablets, there may also be bleeding due to irritation from the medication. If the amount of bleeding is very small, you can stop using the medication first, and not use the medication during the bleeding period, so as not to cause cross-infection. Wait until the bleeding is completely clean after two days and then you can carry on the medicine, with the finger sleeve into the drug, in the vagina to the 2/3 of the index finger can not be too deep, so as not to stimulate will also cause bleeding. At the same time again after the use of metronidazole effervescent tablets should also be observed there is no bleeding, if there is no bleeding, there is no big problem.