Hello My Penis And Sack I Really Itchy And Red

Hello my penis and Sack I really itchy and red and my tip on my foreskin hurts to peel back I got some antifungal cream and polysporin cream was told to mix together and apply to area the swelling went down but the chance is still there and redness now it's spreading to the side of my legs and arms kinda looks like beehives it feels something similar like poison oak what I think I can compare it to