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NTI Drug List: Common Medications with Narrow Therapeutic Windows
Medication Guides

NTI Drug List: Common Medications with Narrow Therapeutic Windows

  • 24 November, 2025
  • by Juliet Hargrove

NTI drugs have a tiny margin between safe and toxic doses. Common examples include warfarin, lithium, digoxin, and tacrolimus. Learn which medications are high-risk, why generics can be dangerous, and how to stay safe with regular monitoring.

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