Which of the following is LEAST likely to require therapeutic drug monitoring?
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Correct answer: Cephalexin
Cephalexin has a relatively wide therapeutic index and does not typically require serum level monitoring. In contrast, lithium, phenytoin, and gentamicin have narrow therapeutic indices and require careful monitoring.
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More Therapeutic Index questions
- The certain safety factor is calculated as:
- Which scenario would decrease the effective therapeutic index of a drug in a patient?
- In clinical practice, the therapeutic index is most relevant for drugs that:
- Which parameter indicates the median dose producing toxicity in 50% of subjects?
- A drug’s therapeutic index does NOT account for:
- Which change would widen the therapeutic index of a drug?