Medically reviewed by Soma Mandal, MD Petechiae are tiny red, purple, or brown spots on your skin, inside of your mouth, or ...

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.

Make your antibiotic medication as effective as possible by getting these answers before you leave the doctor's office or ...

New allergies frequently pop up and their severities can change too – meaning Chloe has to keep track of them with a color-coded spreadsheet.

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.

Antibiotics are safe, effective and generally well-tolerated. Fatigue felt while taking them is likely the illness itself, ...

Let’s face it, scratching an itch can be extremely pleasant, especially if the itch itself is overly annoying. Anyone who has ...