COVID-19, first appeared in December 2019 in Wuhan, China, has been spreading quickly throughout the world. We reviewed the evidence on cutaneous manifestations of COVID-19 based on PubMed database. The searching strategy was (COVID* or coronavirus*) and (dermatol* or skin* or cutaneous*). The publication time was limited to 2019 onward. After independent review by two authors, 14 studies with 228 confirmed cases were included in the analysis. A total of 60 patients developed skin rashes, and the age ranged from 8 to 84. Exanthematous eruptions potentially related to COVID-19 infection were highly variable and heterogeneous. Skin lesions mainly appeared erythematous, urticarial, and vesicular (chicken pox-like or varicelliform). Petechiae rash, livedo reticularis, and reactivation of oral HSV-1 were also observed in single cases. Newly reported eruptions like vascular lesions and peculiar (perniosis-like) skin lesions caused concern among dermatologists. Exanthems were widely distributed and were primarily located on the trunk. Associated symptoms, latency time, treatment, and prognosis were also carefully summarized. This study reviewed the recently published COVID-19 studies with skin manifestations, which may pave the way for further research. K E Y W O R D Scoronavirus, COVID-19, cutaneous manifestations, review, skin
Rosacea is a chronic and inflammatory skin disease characterized by flushing, nontransient erythema, papules/pustules, telangiectasia, and phymatous changes. Secondary manifestations, such as itching, burning, or stinging, are often observed in patients with rosacea. In 2017, a phenotype-based approach for diagnosis and classification was recommended. With the update of the diagnosis and classification of rosacea, treatment options for patients with rosacea have attracted the attention of dermatologists. Here, we summarize the latest advances in rosacea treatment, including skin care and cosmetic treatments, topical therapies, oral therapies, laser- and light-based therapies, injection therapies, treatments for specific types of rosacea, treatments for systemic comorbidities, and combination therapies. The impact of the phenotype-based approach on rosacea treatment and future directions are also discussed.
Background Alopecia is a common disease influencing the quality of life of the patients. Botulinum toxin has been widely employed in cosmetic dermatology and was applied in some clinical trials to treat alopecia. Aims Hence, We conducted a systematic review to examine the safety and efficacy of using botulinum toxin in treating alopecia. Methods Cochrane Library, Embase, PubMed, and Web of Science databases were used to search for articles. A PICOS question was formed and the author, year of publication, number of participants, study design, product, dilution and dosing, outcome measurement, findings, side effects, and follow‐up were retrieved. The Oxford Centre for Evidence‐Based Medicine 2011 Levels of Evidence was used as a qualitative indicator to evaluate the levels of evidence. Results Eleven articles published between 2005 and 2019 were included. 9 of which were about treatment effects and 2 were concerning adverse effects. The total number of the participants was 106, and the number for each article was ranged from 1 to 50. Varying type of outcome measurements was used for the publications. 8 articles were evaluated as Level 4 and 1 was evaluated as Level 5 during the 9 articles with treatment effects. Conclusions The results showed that botulinum toxin may function as a double‐edged sword and have a low degree of efficacy and safety in treating alopecia. The study may be useful to remind the physicians of adverse effects in clinical practice and pave the way for further research. A larger, randomized, placebo‐controlled study is warranted.
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