What are the symptoms of encephalitis?

Impaired consciousness, convulsions, respiratory failure. Patients with encephalitis have varying degrees of consciousness impairment, such as drowsiness and coma, 1 to 3 days after the onset of the disease. Drowsiness is often specific to early JE.

Generally, it will return to normal in about 7 to 10 days, and the severe case will last for more than 1 month. Brain lesions vary in location and severity, and may present with mild convulsions or convulsions of the hands, feet, and face.

As far as I know, people with encephalitis experience dizziness, nausea, loss of appetite, convulsions, and confusion.

Dogs suffering from encephalitis will show impaired consciousness, uncontrolled emotions, and even do not know their owners. At the same time, the dog's body will also have muscle soreness and weakness, and convulsions all over the body. When encephalitis progresses further, the dog's external response mechanism is completely lost.

The dog's appetite can also deteriorate due to the increase in body temperature until it is completely abolished.

When the area of inflammation is farther away from the cerebral cortex and the extent is smaller, the symptoms shown by the dog are milder. will appear very excited or depressed, bark non-stop, run aimlessly, collide with objects, and even Qi Kai will not know the owner.

In addition to affecting the mental accidents of Sun Wu dogs, encephalitis can also affect the dog's body control. Dogs will have muscle soreness and weakness, local or generalized spasms and high convulsions, and some sick dogs will fall to the ground at any time and fall asleep.

When the dog's inflammation develops further, or the area of inflammation is close to the cerebral cortex, the dog will have generalized paralysis, limb uncoordination, and dilated pupils. And lying on the ground and not moving, the external response mechanism will be completely lost.

Most dogs with encephalitis will have an elevated body temperature, and at the same time, the elevated body temperature will affect the dog's appetite. In the later stages of encephalitis, the dog will completely refuse to eat any food, and at this point the dog's life has basically come to an end.

Depending on where the inflammation is in the brain, the clinical symptoms vary. When the inflammatory lesions are far away from the cerebral cortex and are small in extent, the clinical symptoms shown are mild, with impaired consciousness prominent. Sick dogs can show excitement or high depression, and even do not know the owner, some continue to bark, run aimlessly, collide with obstacles, and some sick dogs appear to turn back in circles, local or generalized spasmodic convulsions.

Depressed animals have drooping heads, half-closed eyes, immobile obstacles above their heads, slow response to the outside world, improper posture, weak muscles of the whole body, and some sick dogs fall to the ground and fall asleep.

When inflammation progresses deep into the brain or there are inflammatory foci in the deep brain, it can cause generalized or incomplete paralysis, limb movement disorders, drooping eyelids, dilated pupils, optic nerve, masseter muscles, pharyngeal muscles, laryngeal and tongue paralysis. Lying still, there is a complete loss of external reaction.

Most people with encephalitis have an elevated body temperature and lose their appetite later in life.

Is it dangerous to diagnose encephalitis with a lumbar puncture?

Encephalitis can occur in different genders and ages, and is usually acute or subacute, often accompanied by general symptoms such as fever and headache.

Neurological manifestations vary according to the distribution and severity of lesions, and mild cases may only have symptoms of serous meningitis such as headache, dizziness, and neck stiffness; The lesion is severe, and when diffuse, symptoms such as impaired consciousness, delirium, agitation, cranial nerve palsy, limb paralysis, involuntary movement, urinary and fecal disorders, and convulsions may occur; When the disease progresses further, the patient may fall into a deep coma, which is in a state of decrecentralization or decorticalization, and sometimes the lesions can be confined to the brainstem, spinal cord and other parts, causing corresponding symptoms.

Clinical manifestations of encephalitis:

The incubation period is 4 to 21 days, generally 10 to 14 days. The virus initially multiplies in monocytes macrophages and is then released into the bloodstream, and most people do not show symptoms after infection, but antibodies in the blood can be elevated, which is called hidden infection. Some people have mild respiratory symptoms; In a very small number of patients, the virus crosses the blood-brain barrier and causes central nervous system lesions, causing symptoms of encephalitis.

The course of a typical patient can be divided into four stages:

1) Initial fever On the first 3rd day of the course of the disease, the body temperature rises to 38 39 within 1 2 days, accompanied by headache, fatigue and drowsiness, nausea and vomiting. Children may have respiratory symptoms or diarrhoea.

2) Extreme stage The 4th and 10th days of the course of the disease, after entering the extreme stage, the symptoms of systemic blood toxicity and brain damage are prominently manifested.

1 High fever is a necessary manifestation of JE. Body temperature up to 39 40 or more. Mild cases last 3 to 5 days, usually 7 to 10 days, and severe cases can last up to several weeks. The higher the heat, the longer the heat duration, the more severe the disease.

2 Impairment of consciousness Most people have varying degrees of impairment of consciousness, such as drowsiness and coma, 1 to 3 days after the onset of the disease. Drowsiness is often specific to early JE. Generally, it will return to normal in about 7 to 10 days, and the severe case will last for more than 1 month.

3 Convulsions or convulsions are one of the serious symptoms of JE. Depending on the location and severity of the brain lesions, mild hand, foot, and facial convulsions or convulsions may be generalized, paroxysmal convulsions, or generalized tonic spasms, lasting from a few minutes to tens of minutes.

4 Respiratory failure is the most severe symptom of JE and an important cause of death. It is mainly central respiratory failure, which can be caused by damage to the respiratory center, cerebral edema, cerebral herniation, hyponatremic encephalopathy, etc. Presents with superficial breathing, arrhythmia, double inspiration, sighing breathing, apnea, tidal breathing, and respiratory arrest.

Central respiratory failure can coexist with peripheral respiratory failure. Peripheral respiratory failure presents primarily with dyspnea, altered respiratory rate, decreased respiratory mobility, and cyanosis, but the rhythm is always neat.

High fever, convulsions, and respiratory failure are triads in the acute phase of JE, which often cause and effect each other, and aggravate each other.

Symptoms of encephalitis: Fever, headache, convulsions, drowsiness, numbness, or confusion may occur.

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