You could always try using a penis health creme. These help with all kinds of skin issues down there. Not many people know they exist, but they do and have worked for me in the past. But you should probably go to the doctor too just in case. Good luck.
Hello,
The spots on penis could be due to many reasons like angiofibromas, angiokeratomas, lichen planus, psoariasis, herpes simplex, molluscum contagiosum etc. It could be also genital wart due to human papilloma virus (HPV) and it needs immediate attention for treatment. You should consult a urologist for examination.
It is very difficult to precisely confirm a diagnosis without examination and investigations and the answer is based on the medical information provided. For exact diagnosis, you are requested to consult your doctor. I sincerely hope that helps. Take care and please do keep me posted on how you are doing.