Westphal-Sievers syndrome, or sialadenitis of newborns, is an inflammatory lesion of the salivary glands in newborns in the first days of life, which goes away on its own without medical intervention. Clinically manifested by severe salivation. Complaints of increased salivation can be caused by sialadenitis, primarily of the parotid salivary gland, sublingual and submandibular glands, as a result of acute respiratory viral infection (ARVI), as well as other diseases of the newborn: congenital heart disease, head injury, etc.