Group A streptococcus (GAS)

Definition

Group A Streptococcus (GAS) is a bacterium commonly found in the throat and on the skin. It can cause a range of infections, from minor illnesses to severe diseases.

5 Must Know Facts For Your Next Test

1. GAS is responsible for conditions like impetigo, cellulitis, and necrotizing fasciitis.
2. Transmission occurs through direct contact with mucus or sores on the skin.
3. Symptoms of GAS skin infections include redness, swelling, and pain at the infection site.
4. Complications can include toxic shock syndrome and post-streptococcal glomerulonephritis.
5. GAS infections are typically treated with antibiotics such as penicillin or amoxicillin.

Review Questions

• What are common skin conditions caused by Group A Streptococcus?
• How is Group A Streptococcus transmitted?
• What are potential complications of untreated GAS infections?

Related terms

Impetigo: A contagious skin infection often caused by GAS, characterized by red sores.

Cellulitis: A bacterial skin infection that causes redness, swelling, and pain in the affected area.

Necrotizing Fasciitis: A severe soft tissue infection caused by GAS that destroys muscle, fat, and skin tissue.