Is polyarteritis nodosa a type of autoimmune disease?

Yes: Polyarteritis nodosa is a kind of vasculitis, that is, a disease characterized by inflammatory cells invading your blood vessel walls and causing many problems. Polyarteritis nodosa specifically refers to a vasculitis that affects small and medium sized arteries.

It can be: Pad is treated with steroids (cortisone or prednisone).

Polyarteritis nodosa: Pan ( poly arteritis nodosa) is a disease of unknown cause.It affects small to medium sized arteries reducing or cutting off blood supply to organs . Men are affected more than women between ages of 30 to 50 . In 25% of patients hepatitis b or c infection is seen. Small and medium arteries are attacked by immune cells . It is immune mediated and exact cause is not known.