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.
Most sunburns are the first-degree burns and thus, will likely to cause skin peeling that is going to disappear within 3 to 4 days afterwards. Although how long the skin is going to peel after sunburn is mostly affected by the damage caused to the skin layers, your treatments for the burn is also essential.