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.
Answers from Lawrence E. Gibson, M.D. Sun rash and sun allergy are terms often used to describe a number of conditions in which an itchy red rash occurs on skin that's been exposed to sunlight. A common form of sun rash is polymorphic light eruption, also known as sun poisoning. Some people have a hereditary type of sun rash, while others develop signs and symptoms only when triggered by another factor â such as certain types of medications or skin exposure to certain plants, such as limes or wild parsnip.