This article provides an overview of the problems of treatment and rehabilitation of patients with respiratory viral infections, including a novel coronavirus disease 2019 (COVID-19), related to the issues of multiple etiologies, pathogenesis, clinical forms, limited evidence base on treatment and rehabilitation of patients with COVID-19. The questions of polypharmacy, unjustified prescription of antibacterial and antiviral therapy are discussed. Organizational difficulties of rehabilitation implementation in a pandemic are considered. Significant therapeutic and prophylactic properties of biologically active herbal medicines are presented as effective and safe means of treatment and rehabilitation of patients with respiratory viral infections. Their role in the stimulation of nonspecific resistance of the organism is considered. The combined herbal drug Carmolis drops, which has antiviral, antibacterial, bactericidal, antiinflammatory, immunostimulatory, adaptogenic and antistress effects, is presented. The potential of treatment and rehabilitation of patients with respiratory viral infections by using Carmolis drops are considered.