Hello,
You have been circumcised about 7 months ago, it is healed. Presently after
masturbation it became very red and sensitive to touch. If you have been circumcised, you don't have the foreskin. Let it heal, avoid any king of sexual activity for a couple of days. Since your penis is very red and sensitive after masturbation, you should get a follow up clinical examination done by the doctor who did
circumcision for you.
It can be post operative complication, infection or other medical condition. Take care of your hygiene, keep the affected area clean and dry. To get you can apply ointment
Soframycin on the area affected. After clinical examination if yeast infection is detected, you will be treated with antifungal ointment and a course of anti-fungal medicines orally if required. You can get
STD tests done and get clinically examined by a
Urologist also. If STIs are detected you will be treated with antibiotics and antivirals.
Take care. Hope I have answered your question. Let me know if I can assist you further.
Regards,
Dr. Nupur K., General & Family Physician