Community-acquired MRSA

Definition

Community-acquired MRSA (CA-MRSA) is a strain of methicillin-resistant Staphylococcus aureus that occurs in healthy individuals who have not been hospitalized or had medical procedures within the past year. It is known for causing skin and soft tissue infections.

5 Must Know Facts For Your Next Test

1. CA-MRSA typically presents as painful, swollen red bumps that might resemble pimples or spider bites.
2. It is resistant to common antibiotics like methicillin, amoxicillin, and penicillin.
3. Transmission usually occurs through direct contact with an infected wound or by sharing personal items such as towels or razors.
4. CA-MRSA can lead to more severe infections like bloodstream infections or pneumonia if left untreated.
5. Good hygiene practices such as regular hand washing and covering wounds can help prevent the spread of CA-MRSA.

Review Questions

Related terms

Methicillin-Resistant Staphylococcus Aureus (MRSA): A type of staph bacteria that is resistant to several common antibiotics.

Nosocomial Infection: An infection acquired in a hospital setting.

Antibiotic Resistance:

The ability of bacteria to resist the effects of an antibiotic that once could successfully treat the infection.