How Do You Treat Heat Rashes? Home Remedies

Medically Reviewed on 3/4/2022
How Do You Treat Heat Rashes
Heat rashes can be treated at home with ice application, applying calamine or calendula lotion, taking antihistamines, or using a low-strength hydrocortisone cream

Heat rashes will usually clear up on their own without treatment, but home remedies and medications can ease symptoms:

  • Apply ice to the area
  • Keep the skin dry and clean
  • Apply calamine or calendula lotion (over-the-counter anti-itch cream)
  • Take antihistamine oral medicines (diphenhydramine, cetirizine)
  • Use a low-strength hydrocortisone cream (not suitable for children under 10 or pregnant women)
  • Take antibiotics if prescribed by your doctor for infection

Other tips for dealing with heat rashes include:

  • Avoiding heat and humidity
  • Wearing loose cotton clothing and avoiding irritating fabrics
  • Using lightweight bedding
  • Avoiding scratching (tap or pat instead to relieve itching)
  • Avoiding scented products, such as perfumed shower gels or creams
  • Taking a lukewarm oatmeal bath or Epsom salt bath
  • Changing diapers frequently (for babies)

What causes heat rashes?

Heat rashes are usually caused by excessive sweating and often appear as small, red bumps on the skin that may itch or feel prickly.

Sweat glands beneath your skin produce sweat to cool down your body and prevent it from overheating. When your sweat glands get blocked, trapped sweat can lead to heat rashes.

Babies are more prone to developing heat rashes than adults because their sweat glands are not as developed.

How to prevent heat rashes

You can prevent heat rashes with simple steps such as:

  • Drinking enough water when you are outside during hot weather
  • Keeping your skin cool and dry
  • Washing away sweat
  • Avoiding clogging skin care products, such as sunscreen or moisturizers

When to see a doctor heat rashes

Heat rashes usually resolve on their own with home remedies. However, contact your doctor if you notice symptoms such as:

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Medically Reviewed on 3/4/2022
References
Image Source: iStock Images

American Academy of Family Physicians. Heat Rash. https://familydoctor.org/condition/heat-rash/

Cleveland Clinic. How To Cool Down Your Child’s Heat Rash. https://health.clevelandclinic.org/child-heat-rash-cool-heres/