(HealthDay News) -- If itchy skin is irritating you, figuring out what's making you scratch can help you find a solution.

The U.S. National Library of Medicine says common causes of itching include:

• Having an allergic reaction.
• Having dry skin, a skin rash or a skin condition such as eczema.
• Having an insect bite or sting.
• Being exposed to irritating chemicals.
• Having pinworms, scabies or head lice.
• Being pregnant.
• Having a reaction to a medication.

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