Methods
Allowing PRISMA guidelines, a comprehensive literature search was carried out with Medline, EMBASE, Scopus, Cochrane, and Google Scholar, using key MeSH words, which include “COVID‐19,” “Coronavirus”, “SARS‐Cov‐2”, “Urticaria,” “Angioedema,” “Skin rash” up to August, 01 2020. The key inclusion criteria were articles that reported on urticaria and/or angioedema due to COVID‐19 infection and reported management and outcome. Studies were excluded if no case or cohort outcomes were observed.