What are the Causes of Heat Rash and Its Effective Treatment

Heat rash, also known as Miliaria is a skin condition characterized by small, itchy rashes on the skin. It is common in people who live in a hot and humid climate.

  • The condition affects people of all ages
  • It can also be common in infants
  • There are different types of heat rash with Miliaria Crystalline being the least severe

What are the Causes of Heat Rash

  • The condition is a result of plugged pores
  • The obstruction may be caused by dead skin cells
  • It can also be caused by bacterial agents that are related to acne
  • The prickling of the blocked sweat glands can lead to the symptoms of the condition
  • Hot and humid climates can aggravate heat rash because it increases sweating

Types of Heat Rash

There are several different types of heat rash, they are:

  • Miliaria Crystalline – small elevations on the skin that look like beads of sweat
  • Miliaria Rubra – Most common type of the condition characterized by redness
  • Miliaria Profunda – a severe condition that spreads quickly
  • Miliaria Postulosa – characterized by the presence of pustules on the skin

Common Symptoms of Miliaria

Here are the symptoms that people should be looking out for.

  • Small Rashes – called papules, these are commonly found in the middle of the back and in other areas of the skin
  • Itchiness – the sensation can be likened to that of pins and needles
  • Blisters – this can happen with the more severe cases of Miliaria

The rash can occur in a number of places on the skin, they include:

  • The back
  • Places with skin folds – under the breast, stomach, scrotum, neck area

Heat Rash Treatment

Over the counter medication

  • There are a number of medications that can be used to address a mild form of heat rash
  • For more severe heat rash forms, it may be a good idea to seek medical help
  • Some conventional remedies for heat rash include:
    • Prickly heat powder
    • Corticosteriod creams or ointments

Home Remedies to Treat Heat Rash

Here are some of the tried and tested home remedies for heat rashes

  • Sitz Bath – Starch baths can help reduce the itching
  • Aloe – like the sitz bath, this helps to sooth the skin and take care of the itching


  • Regular exfoliation – gets rid of dead skin cells that can block the pores and cause irritation
  • Regular cleaning and bathing – just enough bathing to keep the skin healthy without drying it out
  • Keeping dry with baby powder – ideal for areas with skin folds. This keeps the area dry and helps prevent bacterial growth

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