Narrow therapeutic index drugs require precise dosing-small changes can cause serious harm. Learn how to safely manage medications like warfarin, lithium, and levothyroxine with regular monitoring and consistent use.
READ MORESwitching to generic medications can require dose adjustments for drugs with a narrow therapeutic index, like levothyroxine and warfarin. Learn when and why doctors change doses after a generic switch-and what patients should do to stay safe.
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