What Is Generalized Pustular Psoriasis? Generalized pustular psoriasis (GPP) is the rarest form of psoriasis, a chronic autoimmune skin condition. GPP can be severe, even life-threatening. The disease ...
A lone blackhead on your chin and a throbbing cyst along your jaw can feel like two completely different skin problems—because, biologically, they are. Acne is an umbrella term that covers several ...