Psoriasis has always been a common disease. Historically, its causes were obscure and surrounded by stigma; it wasn't until recently that scientists categorized it as an autoimmune condition. Indeed, ...

How do you deal with side effects from your treatments for psoriatic arthritis (PsA) or psoriasis? Medications or natural treatments for your joint pain and swelling or skin plaques may cause side ...

For decades, people with psoriasis have been treated in clinics with narrowband ultraviolet B phototherapy, or light therapy, to reduce sores, scales, and inflammation. Now, new research from the ...

Sores on the penis may result from a sexually transmitted infection (STI), such as herpes, or a skin condition like psoriasis. Diabetic ulcers and cancerous tumors can also affect the penis. While ...