Prevalence and association of psoriasis with seborrhoeic dermatitis: a systematic review and meta-analysis.

Competing Interests: Conflicts of interest R.C. has served as an advisor, consultant, speaker and/or investigator for AbbVie, Amgen, Apogee Therapeutics, Arcutis, Argenx, ASLAN Pharmaceuticals, Beiersdorf, Boehringer Ingelheim, Bristol Myers Squibb, Cara Therapeutics, Dermavant, Eli Lilly and Company, FIDE, Galderma, Genentech, GSK, Incyte, LEO Pharma, L’Oréal, Nektar Therapeutics, Novartis, Opsidio, Pfizer Inc, Regeneron, RAPT, Sanofi, Sitryx and UCB. The other authors declare no conflicts of interest. An abstract containing the findings discussed in this manuscript were presented at the 2024 Society for Investigative Dermatology Annual Meeting in Dallas, TX, USA.