Erythema multiforme and COVID-19. what do we know

Background: Erythema multiforme (EM) is an acute cutaneous eruption often associated with infections and more rarely with drugs. This review aimed to evaluate the association between erythema multiforme and coronavirus disease 2019 (COVID-19). Methods: A systematic search of PubMed/MEDLINE, Scimago Scopus, and ISI/Web of Science was performed. Original articles, case series, or case reports were evaluated and selected. Results: Fourteen articles were selected, describing a total of 70 patients. EM is a cutaneous eruption rarely occurring in COVID-19 and is, in most cases, associated with a hypersensitivity reaction to the virus. In these cases, EM seems to affect patients younger than 30 years or older than 55 years. Infrequently, some drugs used in the management of COVID-19 may induce EM, especially hydroxychloroquine. The three groups of patients seem to have different clinical characteristics and courses. Conclusions: From these data, it is possible to preliminarily propose that EM or EM-like eruptions linked to COVID-19 might be divided into three types: the virus-related juvenile type (affecting patients <30-year-old), the virus-related older type (affecting patients >55 years), and the drug-induced type. The occurrence of a skin rash does not seem to be related to the severity and clinical course of COVID-19

Monkeypox: a dermatologist perspective

: Monkeypox (MPX) is a human zoonotic disease due to Monkeypox virus. Morbidity and mortality are lower than in other Orthopox virus diseases, in particular smallpox. MPX is an endemic disease of Western and Central Africa. However, a multi-country outbreak is currently taking place in many non-endemic countries. The clinical and epidemiological characteristics of this epidemic appear peculiar, with significant differences compared to those of the endemic areas. In particular, it predominantly affects males having sex with males, and the route of sexual transmission appears to be particularly frequent. This has led to considerable media interest and concern among the population. Dermatologists are likely to be consulted frequently during the outbreak, especially for the differential diagnosis. Indeed, although MPX can affect various organs, the skin is constantly involved. Since the skin rash have different stages of development, MPX should be differentiate from several, common skin diseases, also because the systemic symptoms can be variable and of different severity. Therefore, dermatologists must be aware of the clinical characteristics of the disease and its management

Role of vitamins in skin health. a systematic review

Skin is the main defense organ of the human body against external insults (ultraviolet radiations, infections by pathogenic microorganisms, and mechanical and chemical stress). The integrity and functions of the skin barrier are supported by an adequate supply of micronutrients, such as several vitamins. The purpose of this review was to analyze all vitamin-related skin problems