The bacteria produces a toxin that causes a rash that initially appears on the neck and chest, then spreads over the body. Typically the rash begins as small red macules which gradually become elevated. While the rash is still red the patient may develop Pastia's lines, bright red coloration of the creases under the arm and in the groin. The rash may be denser in the groin, also. The rash usually lasts for 3 days.
Prevention is the early treatment of strep throat .
Bacteria are spread by direct contact with infected persons or by droplets exhaled by an infected person. Avoid contact with infected persons. This is usually not a serious illness when treated and lasts a week or less. Very rarely does the bacteria spread to other parts of the body, if treated. If its does, the result may be ear infections , sinusitis , rheumatic fever or acute glomerulonephritis .