This textbook is intended for an in-depth study of the clinical pharmacology of drugs used in the treatment of patients with broncho-obstructive syndrome by students of the 5th year of the Faculty of General Medicine and the Faculty of Medical Pedagogy, the 6th year of the Faculty of Pediatrics, the 2nd year of the Faculty of Higher Nursing, as well as residents of the magistracy and clinical residency. In accordance with the curriculum in clinical pharmacology, this manual contains a theoretical part, a practical part of the topic being studied, as well as related test questions and situational tasks.