Overview on heat rash

There are various types of skin rashes that can cause discomfort or soreness. One of the common types of rashes is heat rash or miliaria. It is important to note that heat rash is a skin condition that typically affects both children and adults in warm, humid weather conditions. An individual can develop heat rash once the pores become blocked in which sweat could not escape.

The friction on the skin surface is often responsible for heat rash. Adults can develop heat rash in parts of the body that rub together such as between the interior thighs or under the arms. In most cases, babies often develop heat rash on the neck but can also develop in the skin folds such as elbows, armpits and thighs.

Causes of heat rash

Heat rash

Heat rash occurs once pores are blocked and could not release sweat. This is more likely to occur in the warm season and after intense exercise

Heat rash occurs once pores are blocked and could not release sweat. This is more likely to occur in the warm season and after intense exercise. There are certain types of clothing that can trap sweat and using thick creams and lotions that can increase the risk for heat rash.

Remember that it is also possible to develop heat rash in cool temperatures if wearing clothes or sleeping under covers that can lead to overheating. Take note that babies are likely to develop heat rash since their pores are not yet fully developed.

Appearance of heat rashes

It is important to note that there are various types of heat rash that vary in severity. They have certain differences that you should be familiar with.

  • Miliaria crystalline is the most prevalent and mildest form. There are small, clear-white bumps that are filled with fluid on the skin surface. Take note that these bumps are bubbles of sweat and can often burst. This type of heat rash does not itch and should not be painful.
  • Miliaria rubra or prickly heat is quite common in adults than in infants and children. This is known to cause discomfort since it occurs deeper in the outer skin layers. This type of heat rash occurs in warm conditions and results to itchy or prickly sensations along with red-colored bumps. In addition, there is lack of sweat in the affected area.
  • Miliaria profunda is the uncommon form of heat rash but can become chronic. This affects the deeper layer of the skin and occurs in adults after a period of physical activity that produces sweat. This rash is characterized by tough, large flesh-colored bumps.

When to consult a doctor

Heat rash is rarely serious but often goes away in a few days. Nevertheless, a doctor should be consulted if the individual experiences the following:

  • Fever and chills
  • Increased pain
  • Drainage of pus from the bumps

If a child has heat rash and does not vanish in a few days, a doctor must be consulted. In most cases, the doctor will recommend lotions such as lanolin or calamine to relieve the itchiness and prevent further damage. By enrolling in a first aid class, you can learn measures to manage the rashes.  In addition, keeping the skin cool and dry will also relieve the rash.

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