Group A Streptococcus can cause which infections?

Group A Streptococcus can cause which infections?

• A. Strep throat, acute rheumatic fever, scarlet fever, acute glomerulonephritis and necrotizing fasciitis
• B. Strep throat only
• C. Urinary tract infections caused by Gram-negative bacteria
• D. Viral pharyngitis and influenza

Answer: (A)

Group A Streptococcus (Streptococcus pyogenes) is known for causing sore throat (strep throat) and a range of related diseases and complications. It can lead to scarlet fever due to toxin production, and it can trigger autoimmune problems such as acute rheumatic fever after a throat infection. It can also cause kidney problems like acute post‑streptococcal glomerulonephritis and can invade soft tissue to cause necrotizing fasciitis. In contrast, urinary tract infections described as caused by Gram‑negative bacteria are typically due to organisms such as E. coli, Klebsiella, or Proteus, not Group A strep. Viral pharyngitis and influenza are caused by viruses, not GAS. So the infections GAS can cause include strep throat, scarlet fever, acute rheumatic fever, acute post‑streptococcal glomerulonephritis, and necrotizing fasciitis.

Group A Streptococcus (Streptococcus pyogenes) is known for causing sore throat (strep throat) and a range of related diseases and complications. It can lead to scarlet fever due to toxin production, and it can trigger autoimmune problems such as acute rheumatic fever after a throat infection. It can also cause kidney problems like acute post‑streptococcal glomerulonephritis and can invade soft tissue to cause necrotizing fasciitis. In contrast, urinary tract infections described as caused by Gram‑negative bacteria are typically due to organisms such as E. coli, Klebsiella, or Proteus, not Group A strep. Viral pharyngitis and influenza are caused by viruses, not GAS. So the infections GAS can cause include strep throat, scarlet fever, acute rheumatic fever, acute post‑streptococcal glomerulonephritis, and necrotizing fasciitis.