Dermatology Questions? Ask an Online Dermatologist.
This is Dr. David
can you upload a clear jpg photo of this red rash on your penis so I can better help you?
do you see the "add file" link where you can upload a clear jpg image?
that is not from an STD.
that looks like dermatitis, very minimal from irritation from sex or from a heat rash.
it is not from an STD.
yes, that can cause dermatitis.
dermatitis can cause itchiness.
excessive moisture and sweating can cause itching
that is good
it doesn't look like an STD or herpes