Hives, also known as urticaria, are raised, itchy welts on your skin that occur due to an allergen. The reaction is uncomfortable, but it’s often not serious.
A young woman with more than 40 allergies - including water - has to use a colour-coded spreadsheet to keep track of them all ...
A sun rash is an immune system reaction to sunlight exposure that causes itchy bumps, raised patches, or blisters on your skin. Here’s why and how to find relief.
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