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Daptomycin Pharmacology
In this episode of Real Life Pharmacology, we take a deep dive into daptomycin, a lipopeptide antibiotic primarily used for serious Gram-positive infections, including MRSA and VRE. Daptomycin works by binding to bacterial cell membranes in a calcium-dependent manner, causing rapid depolarization and cell death.
One key limitation is that daptomycin should never be used for pneumonia because pulmonary surfactant inactivates the drug. Clinically, it’s often reserved for bacteremia, endocarditis, or complicated skin and soft tissue infections.
From a pharmacokinetic standpoint, daptomycin is…
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