Which treatment option is effective for MRSA infections?

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Study for the AANP Family Nurse Practitioner Certification Exam. Prepare using flashcards and multiple choice questions with hints and explanations. Get ready to succeed!

The treatment option that is effective for MRSA (Methicillin-resistant Staphylococcus aureus) infections is Bactrim, which contains trimethoprim and sulfamethoxazole. This combination antibiotic works by inhibiting the bacterial folic acid synthesis, making it effective against various strains of bacteria, including some resistant strains like MRSA.

Bactrim is particularly beneficial for treating skin infections caused by MRSA, commonly occurring in outpatient settings. Additionally, it is well-absorbed orally, making it a convenient option for outpatient management of these infections.

Vancomycin is another potent treatment for MRSA, especially for more severe infections or when intravenous therapy is required. Although your selection identified Bactrim as effective, it is important to understand that both Vancomycin and Bactrim have established roles in managing MRSA, with each having specific indications based on the site and severity of infection.

Ciprofloxacin and amoxicillin are generally not effective against MRSA. Ciprofloxacin, a fluoroquinolone, lacks activity against MRSA strains, and amoxicillin, a penicillin derivative, is ineffective due to MRSA's resistance to beta-lactam antibiotics. Thus, the choice of Bactrim

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