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Heat Rash

Disponible En Espanol


Definition:

  • A fine pink rash caused by overheating
  • Mainly on the neck, chest, and upper back


Symptoms

  • Tiny, pink bumps
  • Mainly on the neck, chest and upper back
  • Occurs during hot, humid weather or after lots of sun
  • Heat rash can be itchy
  • Older children may have a "prickly" pins and needles feeling
  • In babies, the rash can have some tiny water blisters
  • No fever or illness
  • Also called "prickly heat"


Cause

  • Heat rash is caused by blocked-off sweat glands. Hot, humid weather can cause the sweat glands to be overworked.
  • Babies can also get it in the wintertime from ointments put on the skin. Reason: Ointments can block off sweat glands.
  • Ointments and Location. Heat rash of the forehead can be caused by oil or ointment on the hair. Heat rash of the face of a breastfed baby can be caused by lanolin put on the nipples. Heat rash of the chest can be caused by menthol ointments put on for coughs.
  • Older children can get heat rash with hard exercise.

Disclaimer

The information contained in these topics is not intended nor implied to be a substitute for professional medical advice, it is provided for educational purposes only. You assume full responsibility for how you choose to use this information.

Always seek the advice of your physician or other qualified healthcare provider before starting any new treatment or discontinuing an existing treatment. Talk with your healthcare provider about any questions you may have regarding a medical condition. Nothing contained in these topics is intended to be used for medical diagnosis or treatment.

  • Not a Substitute - The information and materials in Pediatric HouseCalls Symptom Checker should not be used as a substitute for the care and knowledge that your physician can provide to you.
  • Supplement - The information and materials presented here in Pediatric HouseCalls Symptom Checker are meant to supplement the information that you obtain from your physician. If there is a disagreement between the information presented herein and what your physician has told you -- it is more likely that your physician is correct. He or she has the benefit of knowing your child's medical problems.
  • Limitations - You should recognize that the information and materials presented here in Pediatric HouseCalls Symptom Checker have the following limitations, in comparison to being examined by your own physician:
    • You can have a conversation with your child's doctor.
    • Your child's doctor can perform a physical examination and any necessary tests.
    • Your child could have an underlying medical problem that requires a physician to detect.
    • If your child is taking medications, they could influence how he experiences various symptoms.

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