Rashes are common skin conditions that cause redness, itching, and inflammation of the skin. Many rashes are easily treated at home and are not life-threatening.
Contact dermatitis is an inflammation of the skin caused by direct contact with an irritant or allergen (e.g., poison ivy).
Eczema (“atopic dermatitis”) is a skin condition that makes your skin itchy and flaky. It often occurs in people who have allergies.