Clinical manifestations of hand, foot and mouth disease fever

After contracting hand, foot and mouth disease, a particularly obvious symptom is fever. The patient becomes particularly lethargic, which can cause serious damage to the internal organs in the body. Therefore, many patients infected with this disease, including their families, want to fully understand the clinical manifestations of hand, foot and mouth disease fever. The following content provides a detailed introduction so that you can have a comprehensive understanding.

Hand, foot and mouth disease mainly occurs in children under 4 years old, but adults can also get the disease, so it can be said that everyone is susceptible. After infection, you only gain immunity to that type of virus, and there is no cross-immunity to reinfection with other types of viruses. That is, after suffering from hand, foot and mouth disease, you may suffer from hand, foot and mouth disease again due to infection with other types of viruses. Incubation period: usually 2 to 10 days, average 3 to 5 days.

1. Common symptoms

Acute onset, fever, scattered blisters on the oral mucosa, maculopapular rashes and blisters on the hands, feet and buttocks, with inflammatory red halos around the blisters and less fluid in the blisters. May be accompanied by symptoms such as cough, runny nose, and loss of appetite. Some cases only present as rash or herpetic pharyngitis. Most patients recover within a week and the prognosis is good. In some cases, the rash may be atypical, such as appearing in a single area or only as maculopapular rash.

2. Symptoms of severe cases

In a few cases (especially those under 3 years old), the disease progresses rapidly, with meningitis, encephalitis (brainstem encephalitis is the most dangerous), encephalomyelitis, pulmonary edema, circulatory disorders, etc. occurring within 1 to 5 days of onset. In very rare cases, the condition is critical and can lead to death, and survivors may have sequelae.

(1) Nervous system manifestations include poor mental state, drowsiness, irritability, headache, vomiting, delirium or even coma; limb tremors, myoclonus, nystagmus, ataxia, eye movement disorders; weakness or acute flaccid paralysis; convulsions. Physical examination may reveal signs of meningeal irritation, weakened or absent tendon reflexes, and positive pathological signs such as Babinski's sign.

(2) Respiratory system symptoms include shallow breathing, difficulty breathing or changes in rhythm, cyanosis of the lips, coughing, coughing up white, pink or bloody foamy sputum; moist rales or sputum sounds can be heard in the lungs.

(3) Circulatory system symptoms include pale complexion, skin patterns, cold limbs, cyanosis of fingers and toes, cold sweats, and prolonged capillary refill time. The heart rate increases or decreases, the pulse becomes shallow or weak or even disappears; the blood pressure increases or decreases.

The above content has comprehensively introduced the clinical manifestations of fever caused by hand, foot and mouth disease. Many patients, including their families, have fully understood the clinical manifestations of fever caused by this disease. After a comprehensive understanding, in order to prevent the fever caused by hand, foot and mouth disease from causing serious harm to their bodies, they must choose a large hospital for comprehensive treatment so that they can recover as soon as possible.