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What are common causes of rashes?

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If you start scratching and find a rash, it’s likely the problem is in your skin. It can happen because of:

  • Fungal and bacterial infections like impetigo and folliculitis. Bugs: When you get bit by a mosquito or spider, you know it. Bites from bedbugs and mites can be harder to diagnose because they look like rashes. Lice can cause a crawling sensation in your scalp or pubic hair, along with an intense itch. Eczema or atopic dermatitis: It shows up on your skin as dry, scaly patches or a bumpy rash. It isn’t clear what causes it, but it’s extremely itchy. Kids are more likely to get it if their family has a history of asthma and allergies. Certain food allergies can make it worse. So does scratching.
  • Contact dermatitis: This itchy rash is caused by a reaction to something touching your skin. You may have to do some detective work to figure out where it’s coming from. It could be the metals in your jewelry or the chemicals in cosmetics, toiletries, and cleaning products. Poison ivy is also a form of contact dermatitis. Stop using or wearing whatever you think might be the cause and see if the itching gets better.

From: Why Do I Feel So Itchy? WebMD Medical Reference

SOURCES:

American Academy of Allergy Asthma & Immunology: “Skin Allergy.”

American Academy of Dermatology.

Jain, S. , October 2013. Current Psychiatry

Moses, S. , September 2003. American Family Physician

National Cancer Institute: “Pruritus.”

National Psoriasis Foundation: “About Psoriasis.”

Oaklander, A. , March 2012. Acta Dermato-Venereologica

The Cleveland Clinic Foundation: “Pruritus.”

Yonova, D. April-June 2007. Hippokratia,

Yosipovitch, G. Dermatologic Therapy, March 2008.

Reviewed by Stephanie S. Gardner on December 6, 2017

SOURCES:

American Academy of Allergy Asthma & Immunology: “Skin Allergy.”

American Academy of Dermatology.

Jain, S. , October 2013. Current Psychiatry

Moses, S. , September 2003. American Family Physician

National Cancer Institute: “Pruritus.”

National Psoriasis Foundation: “About Psoriasis.”

Oaklander, A. , March 2012. Acta Dermato-Venereologica

The Cleveland Clinic Foundation: “Pruritus.”

Yonova, D. April-June 2007. Hippokratia,

Yosipovitch, G. Dermatologic Therapy, March 2008.

Reviewed by Stephanie S. Gardner on December 6, 2017

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What are common causes of itching beneath the surface?

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