A member asked:
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my sister has a red, itchy rash developing on her arms and legs. it started on her feet and has now spread to hands, knees, elbows. ?

1 doctor answer
Dr. Vicki Levine
40 years experience Dermatology
Cannot say: Your sister could have eczema and allergic eruption or psoriasis.She needs to see a dermatologist for a diagnosis and treatment plan. Sometimes a skin biopsy is necessary.
Answered on Mar 8, 2017

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Consult your doctor: It is very difficult for us to say what it may be.Consult your doctor or see a dermatologist.
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Dry skin?: First try applying a moisturizer all over your body within 3 minutes after bathing and see if this helps. For the rash, topical hydrocortisone for a f ... Read More
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