Final answer:
Generalized acute pustular psoriasis, also known as Von Zumbusch, is a severe form of psoriasis characterized by the sudden onset of red, inflamed skin covered in pustules.
Step-by-step explanation:
Generalized acute pustular psoriasis, also known as Von Zumbusch, is a severe form of psoriasis characterized by the sudden onset of red, inflamed skin covered in pustules. These pustules are filled with pus and can be painful. The condition can be accompanied by fever, fatigue, and an elevated white blood cell count. It is important to seek medical treatment for this condition as it can be life-threatening if left untreated.