What kind of medicine should I use for the itchy and painful vaginal opening with small bumps?

Vaginal opening itchy and painful and small bumps consider vulvitis or vaginitis, you can use 1:5000 potassium permanganate daily scrub vulva, dry and apply with gentamycin ointment. And according to the different pathogens, the use of targeted drugs. Inflammation caused by trichomonas choose metronidazole or tinidazole oral; bacteria caused by vulvovaginitis choose for anaerobic bacteria metronidazole or clindamycin oral; vulvovaginal pseudomycetes yeast caused by inflammation using antifungal drugs miconazole suppositories or mycobacteria tablets for vaginal medication. If it is a mixed infection by two or more pathogens, it is necessary to use a combination of drugs for the pathogens. Small bumps are considered to be pseudo warts caused by poor hygiene, private parts if long-term in a moist state, more likely to be infected with pathogens, so be diligent in changing underpants, showering, and keep the private parts breathable. The use of drugs should follow the doctor’s advice