In individuals with psoriasis, the immune system malfunctions, causing inflammatory cells to accumulate in the dermis, the ...

Stress, infections, and corticosteroid withdrawal are known triggers of generalized pustular psoriasis (GPP). However, doctors cannot attribute every GPP flare to a specific cause. Psoriasis is an ...

If you’re experiencing a flaking, itching scalp, you may do a quick self-diagnosis of dandruff. But that flaking and itching ...

While the exact cause is unknown, a person's immune system, combined with their genes, seems to play a critical role. If someone in your family has psoriasis, there's an increased risk you could ...

“In severe cases, nail psoriasis can cause significant discomfort, pain, and functional limitations,” she says. You may also ...

Psoriatic arthritis is a combination of psoriasis and arthritis symptoms. You may have skin and nail changes, joint pain and ...

Eczema is a common skin condition that can cause swelling and thick, scaly skin. Psoriasis is less common than eczema and causes a dry, itchy rash with scaly patches of skin. Treatment for mild ...

Scalp psoriasis can cause extreme itching, and the skin might become so dry that it cracks and bleeds. Scalp psoriasis can also spread from the scalp onto the face. Other symptoms of scalp ...

Raptiva, a once-weekly injection for adults with moderate to severe plaque psoriasis, works by suppressing T-cells -- cells that help fight infection -- in the immune system. Those cells cause the ...