Editing Psoriasis (section)

==== Erythrodermic psoriasis ====
[[Psoriatic erythroderma]] (erythrodermic psoriasis) involves widespread inflammation and exfoliation of the skin over most of the body surface, often involving greater than 90% of the body surface area.<ref name="Rendon2019">{{cite journal | vauthors = Rendon A, Schäkel K | title = Psoriasis Pathogenesis and Treatment | journal = International Journal of Molecular Sciences | volume = 20 | issue = 6 | pages = 1475 | date = March 2019 | pmid = 30909615 | doi = 10.3390/ijms20061475 | pmc = 6471628 | doi-access = free | title-link = doi }}</ref> It may be accompanied by severe dryness, itching, swelling, and pain. It can develop from any type of psoriasis.<ref name="Rendon2019" /> It is often the result of an exacerbation of unstable plaque psoriasis, particularly following the abrupt withdrawal of systemic [[glucocorticoid]]s.<ref name="Zattra2012">{{cite journal | vauthors = Zattra E, Belloni Fortina A, Peserico A, Alaibac M | title = Erythroderma in the era of biological therapies | journal = European Journal of Dermatology | volume = 22 | issue = 2 | pages = 167–71 | date = May 2012 | pmid = 22321651 | doi = 10.1684/ejd.2011.1569 }}</ref> This form of psoriasis can be fatal as the extreme inflammation and exfoliation disrupt the body's ability to [[Thermoregulation|regulate temperature]] and perform barrier functions.<ref name="DermNZ">{{cite web | vauthors = Stanway A | title=Erythrodermic psoriasis | url=http://dermnetnz.org/scaly/erythrodermic-psoriasis.html | publisher=DermNet NZ | access-date=16 March 2014 | url-status=live | archive-url=https://web.archive.org/web/20140202222207/http://dermnetnz.org/scaly/erythrodermic-psoriasis.html | archive-date=2 February 2014 }}</ref>