What is purulent meningitis? Purulent meningitis is also called acute bacterial meningitis, clinically referred to as meningitis. Purulent meningitis is an inflammation of the meninges caused by various purulent bacteria. In some patients, the lesions can involve the brain parenchyma. Purulent meningitis is a common infectious disease of the central nervous system in children (especially infants and young children). 90% of purulent meningitis cases occur in children under 5 years old, and those under 2 years old account for about 75% of the total incidence. Suppurative meningitis can occur at any time of the year. Streptococcus pneumoniae is more common in winter and spring; Neisseria meningitidis is more common in spring; purulent meningitis caused by Haemophilus influenzae is more common in autumn. Most children have an acute onset of illness, and some may have a history of upper respiratory tract infection or gastrointestinal infection before the onset of illness. Newborn baby care encyclopedia download ultra clear epub Typical clinical manifestations are: 1. Symptoms of infection, poisoning and acute brain dysfunction: including fever, irritability and progressively worsening disturbance of consciousness. As the child\’s condition continues to worsen, it can gradually change from listlessness, lethargy, lethargy, coma to deep coma. One-third of children will have recurrent generalized or localized seizures. Meningococcal infections often cause skin petechiae, ecchymosis, and even shock in children. 2. Increased intracranial pressure. The child will have headaches and vomiting, and the baby may have a full anterior fontanelle with increased tension and an enlarged head circumference. When intracranial pressure continues to increase, brain tissue may be squeezed to form cerebral herniation, and children may experience irregular breathing, sudden loss of consciousness, and unequal pupils. 3. Meningeal irritation positive. Children may exhibit neck stiffness. Kernig\’s sign and Brudzinski\’s sign were positive. If the child has an acute onset of illness, repeated convulsions, disturbance of consciousness or even manifestations of intracranial hypertension (projectile vomiting), special attention should be paid to the possibility of purulent meningitis, and a cerebrospinal fluid examination is necessary. Timely diagnosis and active treatment can reduce the mortality rate of this disease. The mortality rate among infants and young children suffering from purulent meningitis is 10%. Therefore, parents need to pay close attention to it.