Allergy: Poison Ivy, Oak, and Sumac Topic Guide
Poison Ivy, Oak, and Sumac: More than half the people in the United States are sensitive to poison ivy, poison oak, and poison sumac. If you are sensitive, you can develop an itchy, blistering rash ...
Allergy Shots Some allergens are simply impossible to avoid. You cannot live a normal life and completely avoid pollen, dust mites, mold spores, and certain other common triggers of allergic reactions.
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