This handbook provides the most complete and up-to-date information regarding children's diseases. The causes and mechanisms of development of the most common childhood diseases are described. Modern diagnostic methods and main methods of treatment are considered. Tips on prevention and precautions will be useful. Practical recommendations from specialists and useful information will help parents determine what worries the child by symptoms, take timely measures to improve the condition before the doctor arrives and prevent the disease from becoming chronic. The publication is intended for a wide range of readers.