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.
Sunburn is often associated with a rash that begins as a small, pink patch on the skin or a mole-like spot than then start spreading out. The rash appear within 12 to 24 hours after exposure to UV rays and can be particularly worse if you are under certain medications such as Doxycycline.
Sunburn (Sun Poisoning) Sunburn is a burn on the skin caused by UV radiation. Mild sunburn symptoms include skin redness and pain. Severe cases of sunburn (sun poisoning) are complicated by skin burning and blistering, dehydration, electrolyte imbalances, and possibly infection. A sun rash is caused by a condition referred to as polymorphous light eruption (PMLE).