When going pee, there is a little pain between rectum and penis. also he haves pubic fleas and smal dots on head of penis. what is that?

Here are some ...: Feeling little ache as described at peeing suggests irritation in the prostate, but without further detailed Hx & physical exam, it's hard to give a definite answer. Clinically, if the symptom persists or worsens, seek pro-evaluation & counseling. Besides, the concern on small dot on glans penis & pubic fleas requires a direct look so to confirm if both are related or foreskin-related.