Hello,
What is the problem with my penis ?
Cordially
It could just be balanitis, bu I think Id' see a doctor if I were you, especially if you've had unsafe sex recently. You could either see your GP, or if you're in the UK, you could go to a genitourinary medicine (GUM) clinic - google "GUM clinic near me" for details.
If you do see a doctor, then if you could update this thread and tell us what the doctors say, it would be appreciated. Good luck.
If it's just balanitis, then these links may help:
https://patient.info/health/balanitis-leaflet
https://patient.info/doctor/balanitis-pro
(written for doctors)
Washing (with water, no soap) daily, and taking a leak and washing after masturbation or sex will probably help, and you could also try Canesten cream or Daktarin cream. Loose fitting cotton underwear may help, and some sites recommend washing underwear with non-biological washing powder or liquid.
I saw your other thread, and if a dermatologist has seen it and didn't think it was anything to worry about, then I'd treat it as dermatitis.
It goes and comes back. Especially after drinking cow's milk.