What bacteria is commonly seen in an infection that occurs 24 hours after a dog bite?

What bacteria is commonly seen in an infection that occurs 24 hours after a dog bite?

• A. Escherichia coli
• B. Staphylococcus aureus
• C. Pasteurella multocida
• D. Clostridium perfringens

Answer: (C)

The bacteria commonly associated with infections following dog bites, particularly those that present within 24 hours, is Pasteurella multocida. This organism is a part of the normal flora found in the mouths of dogs and cats, and it is highly virulent in soft tissue infections resulting from animal bites. Infections typically manifest quickly after the bite, often within a day, due to the immediate introduction of oral bacteria into the wound. Pasteurella multocida is specifically adapted to survival in such environments and can lead to cellulitis or more severe infections if not adequately addressed. Out of the listed choices, this bacterium prominently stands out as a key player in early infections from animal bites. In contrast, while other bacteria like Escherichia coli and Staphylococcus aureus might be encountered in different contexts or types of infections, they do not reflect the typical profile of early dog bite infections. Clostridium perfringens is more commonly associated with deep, puncture wounds or necrotizing fasciitis from soil contamination than with bites. Thus, for infections following dog bites, Pasteurella multocida is recognized as the most relevant pathogen within the first 24 hours.

The bacteria commonly associated with infections following dog bites, particularly those that present within 24 hours, is Pasteurella multocida. This organism is a part of the normal flora found in the mouths of dogs and cats, and it is highly virulent in soft tissue infections resulting from animal bites.

Infections typically manifest quickly after the bite, often within a day, due to the immediate introduction of oral bacteria into the wound. Pasteurella multocida is specifically adapted to survival in such environments and can lead to cellulitis or more severe infections if not adequately addressed. Out of the listed choices, this bacterium prominently stands out as a key player in early infections from animal bites.

In contrast, while other bacteria like Escherichia coli and Staphylococcus aureus might be encountered in different contexts or types of infections, they do not reflect the typical profile of early dog bite infections. Clostridium perfringens is more commonly associated with deep, puncture wounds or necrotizing fasciitis from soil contamination than with bites. Thus, for infections following dog bites, Pasteurella multocida is recognized as the most relevant pathogen within the first 24 hours.