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.
On more than one occasion my skin was affected by serious sunburns. I had fever and I was in a lot of pain, but I have never experienced swelling due to sunburn. But, a thing like this can happen in the hardest sunburn cases. You see ultraviolet lights that cause sunburns actually hurt our skin cells. Our immune system sees this as a threat and reacts. The swelling is one of the signs of inflammation. The mechanism of this immune system reaction is very complex.