Scarlet fever (SCARLATINA) etiology. The causative agent is not installed exactly, is supposed etiological role of streptococcus and filterable virus. It is possible that the causative agent of scarlet fever is an association - a specific virus plus shells; Transmission occurs through airborne droplets. Gateway to the pathogen are the mucous membranes of the upper respiratory tract, and damaged skin (rare), in which case developed wound (ekstrabukkalnaya) scarlet fever. The natural susceptibility to scarlet fever, general people, with age, susceptibility decreases. Clinic. The incubation period for scarlet fever varies from a few hours to 11 days, averaging 2-7 days.
The clinical course of scarlet fever is characterized by extensive polymorphism - from the lightest of asymptomatic to severe illness with a fatal outcome. Acute onset, has a patchy character. Soon after the picture of bluetongue, follicular or lacunar tonsillitis, and scarlet fever in septic form - necrotic angina, usually detectable in the 3-4th day of illness, with extensive necrosis appears breath. Pain when swallowing then gradually decreases. On the first day of illness increased, becoming tight and painful submandibular regionarnye and cervical lymph nodes. Characterized by a kind of language - at first he was swollen and coated with a 2-3rd day of cleared with the tip of a triangle, and then completely freed from naletoz and typically acquires a reddish color with distinct hypertrophic papillae ("raspberry tongue"). More often - every 1-2 days, sometimes as early as day 1 of illness (or, conversely, only 4 days), the skin mastoid, side of the neck and upper torso can be seen on erythematous background finely dotted rash that spreads rapidly throughout the body.
Color it red, various shades depending on the severity of the disease. On a red background are visible areas in white. Elements of the rash act of skin folds "). By pressing the rash disappears.