Enthesitis can also occur with another common symptom of PsA, dactylitis. This is a painful inflammation of a finger or a toe. Enthesitis can cause long-lasting (chronic) inflammation, which can ...

Onychomycosis, or fungal infection of the nail, most often affects the toenails. Infected nails usually have a thick, yellow appearance and can become coarse and brittle (see Figure 4). When ...