Rashes can be triggered from underlying fungal, bacterial, or viral infections and in most cases, can be cured using some homemade recipes. If you have a rash that persists however, you should consult a doctor. Rashes are frequently caused by problems like psoriasis, allergies, eczema, insect bites, acne, sweating, among other factors. Irritation from shampoos, cosmetics, soaps or detergents can...