Hello dear Understand your concern. I think it is due to either rough sex or STDs. Following are cause of your problem: 1. Hygiene problem 2. overuse - as in too frequent, too long or too rough sexual activity 4. Fungal infection: in warm environment. 5. STD is most common in sexually active men. It occur at any age. Following are the STDs disease 1. Syphilis 2. Gonorrhoea 3. Herpes 4. Human papiloma virus 5. Chlamydia 6. Hepatitis 7. Gonorrhea 8. HIV 6. Contact dermatitis It is transmitted through oral, vaginally and anal sex. After infection symptoms occur with in 2-14 days. For diagnosis you have to consult doctor and do testing for STDs: 1. Gram stain and culture 2. PCR and nucleic acid amplification test:swab should be taken from urethra After diagnosis you can treatment according to this. Till that time you can take single dose treatment of following drug: AZEE 1000 mg TINI 1 G ZOCON 150 mg 2. Avoid sex till you clear from infection 3. Use safer sex practice: Use condom, Dental dams 4. Maintain hygiene after sex 5. If not resolved, do screening test for all above disease. 6. Showering after a workout, changing underwear, using a clean towel to dry off with and not redressing until the area is completely dry 9. Use ormulated penis vitamin formula: with vitamins, minerals and shea butter- it moisturizes the skin and prevents flaking or cracked skin while revitalizing and enhancing the sensitivity of the penis 10. Apply anti fungal clotrimazole cream if severe or not resolved. Hope this may help you. Best regards Dr. Sagar