Skin rashes can be confusing. Two main types exist: irritant and allergic contact dermatitis. Irritant reactions happen when ...

A rash on one or both eyelids is usually a sign of dermatitis. Many common environmental irritants, allergens, and daily activities can trigger the red, swollen, itchy skin of a dermatitis rash. Most ...

Contact dermatitis, a common skin reaction, arises from irritants or allergens, causing redness and itching. Two types exist: ...

Perioral dermatitis, a complex facial rash that is often mistaken for acne, is becoming more common, some experts say. Here’s how to spot, treat and prevent this irritating condition. By Elizabeth ...

When a blotchy red rash pops up on your skin, it's not easy to know exactly what the cause is. With thousands of skin diseases to choose from, deciphering your skin can be a challenge. But with skin ...

A diaper rash is any rash that affects the area of skin a diaper would cover. Different types of diaper rash can include irritant contact dermatitis, infections, eczema, intertrigo, and psoriatic ...

An armpit rash is often caused by irritation from sweat, friction, soap, or dryness. It could also be an allergic reaction to fragrances or propylene glycol (a deodorant ingredient). Other causes of ...

From poison ivy and nickel to shampoo and fragrances, thousands of substances could cause this common skin condition. “There are two main types — allergic or irritant (dermatitis),” said Dr. Allison ...

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Various dermatological conditions and infections can cause a rash around the eyes. Examples include atopic dermatitis, psoriasis, and cellulitis. Treatment can depend on the cause, but may include ...

A vesicle is a small, fluid-filled blister. It can range in size from pinpoint to 5 millimeters, which is about the size of a pencil eraser. A vesicular rash occurs when there are vesicles in the area ...