CLUSTER OF BUMPS ON PENIS. What is this?

occurs after having unprotected sex and not washing soon after. Sometimes even after washing. usually at least. happens with same partner but all her tests including blood have come back negative. can feel that "something is not right" down there within days after.

image

Looks like some dermatitis issues but it doesnr looks like herpes, go to a dermatology to sure what is it , but its doesnt looks like herpes for me

just “diagnosed” as herpes by online video doctor