Manoon SurabotsophonYingyot Klai-OnVipa ThanachartwetSirote KhunapornphairoteSupat ChamnanchanuntTheerapat RacharakWannada LaisuanDuangjai SahassanandaSamlee HapunnaSomjit JinapukSuthee LeelasetakulVarunee DesakornFaculty of Medicine, Ramathibodi Hospital, Mahidol UniversityMahidol UniversityRamkhamhaeng Hospital2020-12-282020-12-282020-12-01Clinical Case Reports. Vol.8, No.12 (2020), 3264-3277205009042-s2.0-85092529177https://repository.li.mahidol.ac.th/handle/123456789/60534© 2020 The Authors. Clinical Case Reports published by John Wiley & Sons Ltd. Three patients diagnosed with severe COVID-19 pneumonia received treatment with hydroxychloroquine combined with lopinavir, ritonavir, and favipiravir. Two patients diagnosed early, received tocilizumab when the pneumonia became severe and survived. The thrid patient was diagnosed late and received tocilizumab when the disease progressed to acute respiratory distress syndrome, and died.Mahidol UniversityMedicineArticleSCOPUS10.1002/ccr3.3407