In this article, the authors raise the issue of the treatment of febrile conditions in young children. At the same time, the emphasis is on the definition of feverish conditions, etiopathogenesis, and the possibilities of modern diagnostics, taking into account various types of constitution in children. The authors provide their own data, based on many years of experience in monitoring children of the main three constitutional types according to M.S. Maslov. The features of fever therapy in children, indications and contraindications to the appointment of antipyretic drugs are discussed, emphasis is placed on side effects and contraindications of these drugs for infants. In recent years, the attention of many doctors has been drawn to the theory and practice of bioregulatory medicine, which is a branch of modern medicine that uses the experience of using natural remedies. The data of Russian and international researchers proving the expediency and effectiveness of treating fever symptoms with these drugs are presented. Special attention is paid to the drug Viburcol, which can be used for children starting from birth, which is undoubtedly important, since it is for children of the first year of life that safe and effective means are needed due to increased sensitivity to the toxic effects of all medicines. It is shown that the use of Viburcol suppositories in children is advisable, allows you to achieve the desired effect without any toxic and side effects. The authors, referring to international and Russian experience, recommend Viburcol for the treatment of fever, excitability, anxiety, pathological teething, as well as in the preparation and management of children during vaccination.