Psoriasis is a skin disease that causes a rash with itchy, scaly patches, most commonly on the knees, elbows, trunk and scalp. Psoriasis is a common, long-term (chronic) di… See more

Common signs and symptoms of psoriasis include: 1. A patchy rash that varies widely in how it looks from person to person, ranging from spots of dandruff-like scaling to major er… See more

Psoriasis is thought to be an immune system problem that causes skin cells to grow faster than usual. In the most common type of psoriasis, known as plaque psoriasis, t… See more

Anyone can develop psoriasis. About a third of instances begin in childhood. These factors can increase the risk of developing the disease: 1. Family history.The condition runs in fami… See more

If you have psoriasis, you're at greater risk of developing other conditions, including: 1. Psoriatic arthritis, which causes pain, stiffness, and swelling in and around the joints 2. Te… See more