 [ Symptoms ] skin rash on arms and belly also have a single red bump on penis shaft possibly eczema  so ive had a skin rash that randomly comes and goes these past few weeks its annoying me so much that i will be seeking medical attention i am however on vacation and wont be back for another week can anyone help me identify the problem i can provide pics as well  the rash shows up randomly on different parts of my body they also disapate after 45minutes or so  also have a single red bump on penis which is shrinking in size and almost gone possible herpes im really unsure and worried [ Disease ] hi as just comes and go is and also moving around your body makes it very hard to pin down could due to stress try de stressing your self why your still away as for your pimple just google herpes and look at the images your see its circles of warts could have just been a hair follicle good bad and now its clearing up ok good luck