Medically reviewed by William Truswell, MD Over-the-counter steroid creams like hydrocortisone can help manage mild psoriasis ...

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 ...

Plaque psoriasis, a chronic autoimmune disorder that causes thick, scaly, itchy patches—the eponymous plaques—to form on the skin, affects more than 7.5 million adults in the United States. Yet no two ...