Local pain after using Kangwu ointment, may be caused by the following reasons: 1, the stimulation of the drug itself will lead to local pain, often continue to use the drug after the symptoms of pain will disappear. 2, skin local or vaginal local breakage, so that the medicine will cause local pain, you can go to the hospital to do gynecological examination to find out whether it is caused by this situation. If this is the case, you can temporarily stop using the medicine or avoid the broken parts of the medicine. During the use of medication must pay attention to whether the local redness, swelling or itching, once this occurs, it may be caused by drug allergies, it is recommended to stop using the drug, switch to other drugs for treatment.