Subcorneal pustular dermatosis can be associated with other conditions such as immunoglobulin A paraproteinemia, multiple myeloma, rheumatoid arthritis and Sjogern syndrome; patients with subcorneal ...

The confluence of the pustules in acute generalized exanthematous pustulosis may result in a positive Nikolsky sign and lead to an erroneous diagnosis of Stevens–Johnson syndrome or toxic epidermal ...

But in pustular psoriasis, the newer biologics still tend to be hit or miss. For some patients, they can get great results; for other patients, they just don't seem to work.