Medically reviewed by William Truswell, MD Dandruff is a common skin condition that causes the skin on the scalp to flake off. Possible signs of dandruff include white or yellow flakes (dead skin ...
Eczema is not contagious, and is a chronic disease that causes symptoms of dry, itchy skin that can appear like a red rash, with some patients reporting a burning sensation, tingling or stinging.
A milk allergy and lactose intolerance can cause similar symptoms after consuming dairy, but they are not the same. Here are the key differences and signs.