A heat rash, also known as miliaria or sweat rash, is a very common condition in which certain parts of the skin sting or feel prickly due to excessive heat. Although not a dangerous condition, this rash may itch a lot and make a person feel extremely uncomfortable. This rash usually occurs due to excessive heat during summer seasons. The most commonly affected heat rash areas are, a person’s: back, neck, abdomen, groin, upper chest and armpits. This condition is also extremely common in…