Gently gently. A dry vagina may be tender and the tissues thin = bleeding. So inserting into the vagina a little way for a few nights then as the stinging or whatever eases, a little further in. The idea being to plump up the walls so that they no longer give sympt0oms.
Out could U run out of VA treatment

. Your GP should have asked U to attend to discuss then continued the prescription.
VA treatment will not induce a period. 4 me it was like razor blades up there

until treatment began to work.
When U say 'taking it', U R inserting into the vagina and not swallowing it I hope - stranger things have been known!