Streptococcus pyogenes comprises the vast majority of the Lancefield group A streptococci, and is often used as a synonym for GAS. 2011 Jul;284(1):95-8. doi: 10.1007/s00404-011-1861-6. PubMed PMID: 21336834. The main symptom of GAS impetigo is a blistering or infected lesion , the destruction or irritation of which results in the development of a coating described as honey crusting. The bacteria sometimes make a poison (toxin), which causes a rash — the “scarlet” of scarlet fever. Group B strep are commonly lives harmlessly in your digestive tract and also in the vagina. These bacteria are less harmful compared to the Group A, but these bacteria actually sometimes could do some damages too in our body through an infection. Symptoms of group A streptococcal infection Streptococcal sore throat (pharyngitis) Typical symptoms include of streptococcal sore throat include: a sore, red throat with thick pus-like fluid around the tonsils; fever and chills; enlarged and tender lymph nodes in and around the neck; vomiting and abdominal complaints, particularly in children. 3. How does it spread? Commun Dis Public Health, 2004. Mainly through sneezing, kissing and skin contact. Recurrent group A streptococcal vulvovaginitis in adult women: family epidemiology. Group A strep live in the nose and throat and can easily spread to other people. Symptoms of group A strep (GAS) infection can include skin diseases such as impetigo, erysipelas, and necrotizing fasciitis. Epub 2011 Feb 19. Review. Further work is needed to determine whether Group C streptococcus is a pathogen that should be treated. What is Group A Strep? Group A streptococcal vaginitis: an unrecognized cause of vaginal symptoms in adult women. No signs or symptoms clearly distinguish GAS from non-GAS infection. Signs and symptoms of patients with GAS and non-GAS pharyngitis are generally similar. Sobel JD, Funaro D, Kaplan EL. J Infect, 2012. Arch Gynecol Obstet. Penicillin is the drug of choice for both mild and severe disease. For penicillin-allergic patients with mild illness, erythromycin can be used, although occasional resistance has been seen. How You Get Scarlet Fever. A group A streptococcal infection is an infection with group A streptococcus (GAS). Group A streptococcal (strep) infections are caused by group A streptococcus, a bacterium responsible for a variety of health problems. Group A streptococcus bacteria can be treated with common, inexpensive antibiotics. Streptococcus pneumoniae (a major cause of human pneumonia) and Streptococcus mutans and other so-called viridans streptococci (among the causes of dental caries) do not possess group antigens. These infections can range from a mild skin infection or sore throat to severe, life-threatening conditions such as toxic shock syndrome and necrotizing fasciitis, commonly known as flesh eating disease.Most people are familiar with strep … Steer, J.A., et al., Guidelines for prevention and control of group A streptococcal infection in acute healthcare and maternity settings in the UK. Bacteria called group A Streptococcus or group A strep cause scarlet fever. Group A Strep is a bacterium often found in the throat and on the skin. Streptococcal toxic shock syndrome (STSS) is a disease defined as an infection with Streptococcus pyogenes accompanied by sudden onset of shock, organ failure, and frequently death.. Etiology. It is also known as Streptococcus pyogenes. 7(4): p. 354-61. 64(1): p. 1-18. Clin Infect Dis Some people may carry it without any symptoms of illness - this is known as colonisation. 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