What Causes Heat Rash?

Intense Physical Exercise

Intense physical exercise is a common cause of heat rash. Individuals tend to sweat a lot when they exercise intensely, especially if they are exercising outdoors when it is hot. Heat rash from exercise can be prevented by wearing loose, comfortable clothing, taking a shower as soon as possible after working out, and taking measures to stay cool while working out. For example, if it is hot outside, individuals may want to consider working out indoors with air conditioning. If they prefer to work out outside, they should try to go in the morning when it is not as hot. Some individuals play sports and do not have the option of working out indoors or choosing the time they exercise. Using a portable fan, pouring cold water over the face, and drinking ice-cold beverages are also ways to stay cool while working out outdoors.

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