Understanding Pharmacology: What Does It Mean When a Drug Is Systemic?
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4 min read
In hospitals and long-term care, drugs administered intravenously for systemic effect have a median error rate as high as 48–53% [1.9.1, 1.9.3, 1.9.4]. Understanding **what it means when a drug is systemic** is crucial for appreciating its power, risks, and how it travels through the body to work.