Symptoms of toxic encephalitis

summary

Acute toxic encephalitis, also known as infectious toxic encephalopathy, is a brain toxic reaction caused by acute infectious toxin. Most of them are found in children aged 2-10 years old, but rarely in infancy. Acute bacterial infection is the main cause, such as septicemia, pneumonia, dysentery, typhoid fever, scarlet fever, diphtheria, pyelonephritis, etc., followed by acute respiratory tract infection caused by influenza virus, parainfluenza virus, syncytial virus, adenovirus and malaria. Tell us about the symptoms of toxic encephalitis.

Symptoms of toxic encephalitis

More than acute infection occurred in the first three days, and some children occurred several hours after the onset of acute infection. Children with high fever, severe headache, vomiting, restlessness, delirium and even coma, often have convulsions, the duration can be long or short, mostly generalized tonic like seizures or generalized tonic clonic seizures.

There are often positive pyramidal tract sign, limb paralysis, aphasia, abnormal pupil and so on. There was obvious meningeal irritation. Severe patients may have varying degrees of visual impairment, hearing loss, cranial nerve paralysis, monoplegia or multi limb paralysis, mental retardation and other mental disorders. Most of the mild cases can recover, but some of them can still retain inattention, decrease learning ability, abnormal behavior and personality change.

There were no visual impairment, optic disc edema, ophthalmoplegia, hearing loss, dysphagia, limb paralysis, pathological reflex, muscle tension change, ataxia, involuntary movements (tremor, choreography, Xu Dong *), sensory disturbance, retention of urine, incontinence and meningeal irritation.

matters needing attention

(1) Hydrocortisone or dexamethasone was added to 5% glucose solution for intravenous drip（ 2) The course of treatment depends on the patient's condition; Or with glycerin fructose intravenous drip（ 3) The main cooling method is physical cooling（ 4) Antiepileptic treatment（ 5) Antipsychotics can be given chlorpromazine, perphenazine or telden in different doses（ 6) If necessary, decompression surgery.