Scarlet Fever Prevention Information |
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Scarlet fever prevention and information
Scarlatina or scarlet fever is an infectious disease caused by the bacteria streptococcus Group A.It secrets a toxin which is immunogenic.It is responsible for vasodilatation, associated with dermal edema and a lymphocytic infiltrate. Benign forms of scarlet fever are associated with toxin B and C while the more rare forms are associated with virulent toxin A. His name is scarlet fever due to the red-lilac characteristic of the skin . Scarlet fever historyIn the eighteenth century, scarlet fever was often confused with diphtheria or hot piss by the presence of angina and the frequency of the two identical seasonal diseases. It was not until the early twentieth century that the hypothesis of the origin of streptococcal scarlet fever, H. Berge (1893), preceding the work of G. F. Dick in 1924, have finally demonstrated the role of localized hemolytic strep throat (sore throat), which secretes a toxin that reaches the nervous system (rash, complications and possibly malignant syndrome). Scarlet fever signs of diseaseThe incubation (time between infection and first symptoms) of the illness lasts from 2 to 5 days. The onset of illness is abrupt, involving fever to 39 ° -40 °, chills, pain pharynx (throat) and abdominal pain, vomiting. The period of state occurs in less then 2 days and is characterized by the appearance of a rash (one speaks of exanthema) and an eruption occurring in the mouth and throat . Fever remains high. The exanthema was apparent on the chest and then spread in a few days throughout the trunk, it reaches the ends of the members respecting the palms and soles and the region around the mouth. It is a diffuse red rash predominantly in the folds of bending (knee, elbow, groin) and may cause itching. The exanthema is easily recognizable in all cases and will be recognized during the medical examination. It should be noted that the reduced forms are more frequent now: manifestations like fever, pain are smaller. However, exanthema remains constant and characteristic. Scarlet fever consultationConsultation is the examination of the throat with red sore associated with lymph node from the angle of the jaw. White at first, the language gradually becomes red.Ussualy an increased heart beat occur. ReviewsThe diagnosis is mainly clinical. The biological tests show no specific evidence for infection: increase the number of white blood cells. Samples throat completed before taking antibiotics may reveal bacteria. The incubation (time between contact with the bacteria and the onset of illness) lasts from 3 to 5 days and results in:
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