Hello dear I understand your concern It could be friction injury or lower urinary tract infection/urethritis. Vaginal examination and urine routine, microscopic tests after consulting the gynecologist will helpful in diagnosis. Doctor will give following advises: For friction injury: Take hot sitz bathe with added vitamin Apply moisturizer cream like VAGISIL after bathing & Apply water based lubricant (K-Y gel) before intimation to prevet the problem For urinary tract infection: Tablet septran, tablet nitrozolium, tablet pyridium and syrup cital Drink plenty of water and juice of cranberry, orange and pineapple Do not delay in empty the bladder and always empty the bladder completely. Maintain proper pelvic hygiene after urination and sex Wear pure cotton loose undergarments Eat healthy diet with antioxidant supplements to induce the immunity Hope this may help you Contact HCM for further health query Best regards Dr. Sagar