New-Onset Henoch-Schonlein Purpura after COVID-19 Infection: A Case Report and Review of the Literature.

Extrapulmonary manifestations of COVID-19 infection include a wide spectrum of cutaneous, endocrine, and cardiovascular complications. We report three cases of new-onset Henoch-Schonlein purpura (HSP) in COVID-19 infected children that were diagnosed and treated in Abha Maternity and Children Hospital, Saudi Arabia, between 28 July 2020 and 10 August 2020. All three cases were males younger than 5 years of age that presented with Henoch-Schonlein purpura characteristic rash and arthralgia without a recent history of any infection, especially respiratory infections. They all tested positive for COVID-19. At the time of the admission, pediatric COVID-19 cases were managed conservatively and we ruled out any other diagnosis before establishing the diagnosis of Henoch-Schonlein purpura according to the clinical picture. The three boys responded significantly to prednisolone and achieved a rapid recovery. We present the clinical scenario and laboratory tests of these children along with pictures of the lesions detected in each case.