A member asked:

What may cause red itchybumps hard as stones to appear on my skin for hours then go then afterr2 days they appear again in diff places on arms n back?

A doctor has provided 1 answer
Dr. Michael Zacharisen answered

Specializes in Allergy and Immunology

Possible hives: Hives are raised, red, itchy and can feel very firm due to the skin swelling. It is common for hives to come and go on different part of the body. The causes are varied depending on if they last more or less than 6 weeks. Causes include food, drug or insect sting allergies, infections, and sometimes the cause isn't found. Take a photo to show your doctor if it fades before your visit.

Answered 10/4/2016

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