Hello dear I understand your concern Skin tag most commonly due to HPV infection. Transmitted by the unprotected sex Skin biopsy and physical examination will help in diagnosis. Treatment are below: 1. Topical: 80% Trichloroacetic acid gel 0.15-0.5 % PODOFIX GEL 2. If not respond you can do excision by Best is nitrogen cryotherapy: very less scar after ablation other are electrocauterization and simple excision In addition 2. Avoid sex till you clear from infection 3. Use safer sex practice: Use condom, Dental dams 4. Maintain hygiene before and after sex Hope this may help you Wish you good health Best regards Dr. Sagar