The results of treatment of children with acute respiratory tract diseases using the medicament Bon-appetit during a period of decreased activity of the inflammatory process are presented. The medicament is well tolerated (85%) with minor side effects (14%-bowel disorder, drowsiness, thirst). Normalization of acute phase parameters was observed, and external respiration function was restored faster. The use of the medicament Bon-appetit during the recovery period contributed to the relief of the main symptoms of the disease of the middle and lower respiratory tract due to its anti-inflammatory, expectorant, antioxidant, antitoxic, immunomodulatory and restorative effects.