Hello, You are suffering from skin irritation on your penis. You have been suffering since 2 weeks. You are suggested to get STD tests done to detect STIs like herpes, genital warts, chlamydia, gonorrhea, syphilis, etc. Fungal infections, etc. Maintain good hygiene, take bath regularly and wear soft cotton clothes. You are suggested to apply hydrocortisone cream / ointment on the area affected. You can take antihistamine, at bed time, one stat when needed to help reduce symptoms. Cool compress may help. Avoid self pleasuring and any sexual activity till you are being treated. If STI is diagnosed you will be treated with antibiotics/ antivirals. Stay away from addictions if any so that the efficacy of the medicine is not compromised. Treatment depends on the stage of the infection, primary infection can be treated with one course of medicines but if the infection is in secondary, latent or tertiary stage it may take a longer time. Get clinically examined and evaluated by a urologist, get treated at the earliest. Take care. Hope I have answered your question. Let me know if I can assist you further. Regards, Dr. Nupur K., General & Family Physician