I have red ichy spots on my penis. what could this be? i haven't had but one partner for two years and this is the first time it's happened.

Go to see derm: You should go to see a dermatologist and have it checked and treated. Nothing can substitute a good clinical examination.

Is it on the penile : Head or shaft? Start with a generalist, much of their office practice are rashes. A common cause of balanitis (irritated red, itcht penile head) is candida, more in diabetics. Urologists and dermatologist may help if your generalist does not succeed.