Please help me!!! I don't know what to do. There is itching and rash o…

Please help me!!! I don't know what to do. There is itching and rash on my belly, right on them. In the form of small blisters. Itches very much. I am taking Suprastin and Pürstnik, but it doesn't help. And today it started on the ankle. The gynecologist says nothing. What should I do? The itch is very strong, I cry because of this.