A child brings not only joy to the house, but also numerous worries. Especially if he is unwell. Despite the fact that we have a well-established network of children's clinics, where you can always get advice and qualified help, parents should have an idea of ​ ​ the diseases that children most often suffer from, know their symptoms and be able to care for a sick child. This book is not written so that with its help you can make the correct diagnosis or prescribe treatment yourself. It should help you learn how to assess the condition of the child, recognize the first signs of the disease in a timely manner, and be able to observe its development.