Final answer:
Differentials for pustular psoriasis include skin infections such as impetigo, other skin conditions like eczema and acne, as well as autoimmune disorders capable of causing pustular lesions. Correct diagnosis is crucial for appropriate management.
Step-by-step explanation:
Differential Diagnosis for Pustular Psoriasis:
Pustular psoriasis is a type of psoriasis characterized by white pustules surrounded by red skin. It's important to differentiate pustular psoriasis from other skin conditions that can present with similar symptoms. Among the differentials for pustular psoriasis are skin infections like impetigo, which causes vesicles, pustules, and possibly bullae, particularly around the nose and mouth. Conditions like eczema or acne are also noteworthy considerations, where eczema represents an inflammatory condition, and acne involves clogged pores leading to inflammation. Furthermore, autoimmune disorders such as rheumatoid arthritis and infectious diseases like those caused by Pseudomonas spp. can present with skin lesions similar in appearance to those seen in pustular psoriasis.
Dermatophytic skin infections, including athlete's foot, ringworm, and jock itch, also produce skin changes but are typically distinguishable based on their classic locations and clinical presentations. It is crucial for healthcare providers to consider these conditions in their differential diagnosis to ensure proper treatment and management of the underlying cause of the pustules.