What is the drug of choice for Pneumocystis pneumonia in an HIV patient?

Enhance your readiness for the Physician Assistant Clinical Knowledge Rating and Assessment Tool (PACKRAT) 4 Exam. Utilize our flashcards and multiple-choice questions, complete with hints and explanations, to ace your upcoming test!

Multiple Choice

What is the drug of choice for Pneumocystis pneumonia in an HIV patient?

Explanation:
High-dose TMP-SMX is the treatment of choice for Pneumocystis pneumonia in an HIV patient. It is highly effective against Pneumocystis jirovecii and can be administered intravenously in severe cases or orally as the patient improves, making it suitable for both inpatient and outpatient management. The drug works by blocking two steps in folate synthesis, giving a strong, dual-action effect against the organism. In patients with significant hypoxemia, adjunctive corticosteroids started early can reduce mortality. The other drugs listed do not have activity against Pneumocystis, so they are not appropriate choices for treating PCP.

High-dose TMP-SMX is the treatment of choice for Pneumocystis pneumonia in an HIV patient. It is highly effective against Pneumocystis jirovecii and can be administered intravenously in severe cases or orally as the patient improves, making it suitable for both inpatient and outpatient management. The drug works by blocking two steps in folate synthesis, giving a strong, dual-action effect against the organism. In patients with significant hypoxemia, adjunctive corticosteroids started early can reduce mortality. The other drugs listed do not have activity against Pneumocystis, so they are not appropriate choices for treating PCP.

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