Learn more about the different types of psoriasis, the symptoms of each, and what can trigger outbreaks. Skip to main content . ... Rash spots are less than 5 centimeters (about 2 inches) across.

This article was medically reviewed by Caroline Chang, MD, a board-certified dermatologist and member of the Prevention Medical Review Board, on August 8, 2019. We all get rashes from time to time ...

Unlike many rashes, psoriasis often worsens during winter when skin becomes drier. Hives (urticaria) manifest as raised, red or skin-colored welts with clearly defined edges.

Several types of rashes can affect the skin. ... Eczema vs. Psoriasis: Similarities, Differences and Treatments. Penn Medicine. March 24, 2022.

Psoriasis is an autoimmune condition that speeds up the growth cycle of skin cells, ... identifying the type of rash, and knowing how to treat and prevent them can make a significant difference.

Types of Armpit Rash and How to Treat Them. Medically reviewed by Megan Slomka, ... Causes range from a heat rash to health conditions like psoriasis. Treatment will depend on the cause.

Diaper rash can be caused by an allergy, irritation, bacteria, or fungus. Other skin conditions like eczema or psoriasis may also trigger it. Any rash that doesn’t go away in a few days should ...

Plaque psoriasis is the most common type of psoriasis — a group of skin conditions that affect the skin and cause itchy rashes and pain. Plaque psoriasis causes raised red or purple patches ...

Other rash types, such as those due to chronic autoimmune skin conditions like eczema or psoriasis, aren’t contagious either. However, some rashes can be spread from person to person.