Medically reviewed by Casey Gallagher, MD Alopecia areata is an autoimmune condition that causes abnormal inflammation around ...

Nail pitting is also related to alopecia areata — an autoimmune disease that ... giving the appearance of an upside-down spoon. Look red. Widen and wrap around the sides of your fingertips.

Risk for the autoimmune hair disorder was reduced by nearly 75% in patients on these treatments for psoriasis, finds a ...