This book highlights the issues of aetiology, pathogenesis, prevalence, features of the clinical course, diagnosis, features of immunity and respiratory function, the effectiveness of immunocorrective immunotherapy and non-traditional therapy (acupuncture and laser acupuncture). The work is the result of many years of examination of sick children who were on outpatient and inpatient treatment at the multidisciplinary children's regional hospital of the city of Fergana. The monograph is recommended for pediatricians, allergists and therapists, for students of medical institutes.