Even though symptoms may differ in different people, most people have acute flares with inflamed, red, sometimes blistered and weepy patches that recur from time to time or that can become chronic.
Other types of eczema include allergic contact eczema, neurodermatitis, seborrhoea eczema and nummular eczema. Most of them have some symptoms in common with genital herpes, like itchiness, redness and burning even blisters.
Other conditions There are of course many other conditions which are easily mistaken as herpes such as numerous insect bites, skin allergies, nettle rash, etc., etc.