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Itching

Definition:

Itching is a tingling or irritation of the skin that makes you want to scratch the affected area. Itching may occur all over the body or only in one location.



Alternative Names:

Pruritus



Causes:

There are many causes of itching, including:

Generalized itching may be caused by:



Home Care:

For itching that does not go away or is severe, see your health care provider.

In the meantime, you can take steps to help deal with the itch:

  • Do not scratch or rub the itchy areas. Keep fingernails short to avoid damaging the skin from scratching. Family members or friends may be able to help by calling attention to your scratching.
  • Wear cool, light, loose bedclothes. Avoid wearing rough clothing, such as wool, over an itchy area.
  • Take lukewarm baths using little soap and rinse thoroughly. Try a skin-soothing oatmeal or cornstarch bath.
  • Apply a soothing lotion after bathing to soften and cool the skin.
  • Use moisturizer on the skin, especially in the dry winter months. Dry skin is a common cause of itching.
  • Apply cold compresses to an itchy area.
  • Avoid prolonged exposure to excessive heat and humidity.
  • Do activities that distract you from the itching during the day and make you tired enough to sleep at night.
  • Try over-the-counter oral antihistamines such as diphenhydramine (Benadryl). Be aware of possible side effects such as drowsiness.
  • Try over-the-counter hydrocortisone cream on itchy areas.


When to Contact a Medical Professional:

Call your health care provider if you have itching that:

  • Is severe
  • Does not go away
  • Cannot be easily explained

Also call if you have other, unexplained symptoms.

With most itching, you do not need to see a health care provider. Look for an obvious cause of itching at home.

It is sometimes easy for a parent to find the cause of a child's itching. Looking closely at the skin will help you identify any bites, stings, rashes, dry skin, or irritation. Often the cause of itching is clear, such as a mosquito bite.

Have the itching checked out as soon as possible if it keeps returning and does not have a clear cause, you have itching all over your body, or you have hives that keep returning. Unexplained itching may be a symptom of a disease that could be serious.



What to Expect at Your Office Visit:

Your health care provider will examine you. Your provider will also ask about your itching. Questions may include when it began, how long it has lasted, and whether you have it all the time or only at certain times. You may also be asked about medicines you take, whether you have allergies, or if you have been ill recently.



References:

Chen SC. Pruritus. Dermatol Clin. 2012;30:309-321.

James WD, Berger TG, Elston DM. Pruritus and neurocutaneous dermatoses. In: James WD, Berger TG, Elston DM. Andrews' Diseases of the Skin: Clinical Dermatology. 11th ed. Philadelphia, PA: Elsevier Saunders; 2011:chap 4.




Review Date: 8/17/2014
Reviewed By: Linda J. Vorvick, MD, Medical Director and Director of Didactic Curriculum, MEDEX Northwest Division of Physician Assistant Studies, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.

The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. © 1997- A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.
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