Symptoms of epidemic typhus?
summary
Epidemic typhus, also known as louse borne typhus, is an acute infectious disease caused by Rickettsia prowazeki through human louse. Its clinical features are acute onset, persistent high fever, special rash and obvious central nervous system symptoms. Now let me talk about the symptoms of epidemic typhus?.
Symptoms of epidemic typhus?
The first is fever. The body temperature reaches the peak on the second to fourth day (above 39-40 ℃). It is missed in the first week and has a tendency of relaxation from the second week. The heat course is usually 14-18 days, and the degree of heat rapidly regresses to normal within 2-4 days. In the cases reported in recent years, the fever type is mostly flaccid or irregular, which may be related to the use of antibiotics.
Second: skin rash, as an important sign, is seen in more than 80% of the cases. It appears on the 4th to 6th day of the course of the disease. It first appears in the chest, back, armpit, both sides of the upper arm, etc., and develops rapidly to the whole body in one day. There is usually no rash on the face and less rash on the lower limbs. The rash is round or oval in shape with a diameter of about 2-4mm. The first rash is bright red macular papules, which fade and then turn to dark red or ecchymosis. The rash subsided in 5-7 days, and the petechial rash lasted for 1-2 weeks with brown yellow spots or desquamation.
Third: nervous system symptoms, obvious and early, manifested as panic, excitement, severe headache, onset can be accompanied by mental retardation, delirium, occasionally meningeal irritation, muscle and tongue tremor, coma, incontinence, dysphagia, hearing loss, etc.
matters needing attention
After hypothermia, in addition to the neurological symptoms of severe patients, all symptoms were improved, headache was relieved, and appetite was restored.