Mark G. Lebwohl, MD, explains what causes generalized pustular psoriasis (GPP) and the potential triggers for GPP episodes. Ryan Haumschild, PharmD, MS, MBA: Dr Lebwohl, you gave us a great overview.

Like other inflammatory conditions, psoriasis often comes with concurrent systemic comorbidities, and physicians should be aware of symptoms that suggest associated conditions. Comorbidities include ...

Psoriasis treatments have been a staple of TV advertising for nearly 50 years. That’s because the skin disease is relatively widespread throughout the United States. Roughly 80 to 90 percent of ...

Despite the long history of psoriasis and psoriatic arthritis (PsA), until recently, little had been known of their underlying genetics and pathogenesis. Without this knowledge, rational clinical ...

Over 8 million adults in the U.S. experience plaque psoriasis — a chronic autoimmune disease that causes painful, raised, scaly spots on the skin. People with plaque psoriasis often employ a host of ...

This informational guide, part of PS's Condition Center, lays out the realities of this health concern: what it is, what it can look like, and strategies that medical experts say are proven to help.

Guttate psoriasis Guttate psoriasis affects around 8% of people with psoriasis. It often begins in childhood or early adulthood, and the lesions it causes are small and numerous. It can appear ...

When you have psoriasis, your immune system overreacts and causes inflammation. It can cause plaques -- red, thick, itchy, inflamed patches of skin -- along with silver-colored scales, cracked skin, ...

Psoriasis is a chronic, inflammatory skin condition, but its effects go well beyond the skin. While its often recognized for its itchy, scaly patches, experts believe that the root causes of psoriasis ...