A 45-year-old member asked:
my arm itches for hours at a time. is this an allergic reaction?
1 doctor answer
Dr. Steven Machtinger answered
43 years experience Allergy and Immunology
Maybe: Itching is a common symptom of disease. The most common cause is dry skin. How to tell itching due to allergy from other causes of itching? Allergic rashes are always associated with a rash - hives, eczema, contact dermatitis. No rash? Think thyroid, hormonal, liver or kidney disease. But first try moisturizing with an unscented cream or ointment.
Answered on Sep 29, 2011
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