There are 39 conditions associated with excessive sweating and skin rash. The links below will provide you with more detailed information on these medical conditions from the WebMD Symptom Checker and help provide a better understanding of causes and treatment of these related conditions.
When it comes to sun exposure, sunburn gets the spotlight. However, its lesser-known cousin sun rash can cause equal amounts of harm to your skin. And while this side effect of time in the sun doesn't get the publicity that sunburns do, it's just as painful and, therefore, worth knowing more about. Put simply, a sun rash is an allergic reaction to sunlight.
Skin layers and melanin. Sunburns are caused by exposure to too much ultraviolet (UV) light. UV radiation is a wavelength of sunlight in a range too short for the human eye to see. Ultraviolet A (UVA) and ultraviolet B (UVB) are the two types of solar radiation most responsible for sunburn. Sunlamps and tanning beds also produce UV light and can cause sunburn. Melanin is the dark pigment in the outer layer of skin (epidermis) that gives your skin its normal color.