Hello dear Understand your concern Bad odored white vaginal discharge after unprotected sex is mainly due to vaginal infections like bacterial vaginosis, chlamydia and fungal infections. Bacterial vaginosis common after sex as sex cause change in the vaginal Ph and bacterial flora. I advice you to consult the gynecologist and get the done vaginal swab test, CBC and urine report to confirm the infections. You can take following advice: Take sinlge dose treatment of azithromycin + flucanazole + tinidazole. You can also use vaginal suppository of clotrimazole plus clindamycin. Maintain the proper pelvic hygiene by using V-Vaginal plus wash. Wash vagina with warm salted water. Wear pure cotton loose inner wear. Avoid sex till you get better. Keep the pelvic area clean and dry. Take healthy diet rich in vitamin A,C and E and antioxidant. So report to gynecologist and take proper prescribed drug. Hope this may help you Contact HCM for further health query. Best regards Dr. Sagar