Pharmacology Which is not true for therapeutic drug monitoring (TDM)? A Done when clinical response can be easily measured B Done for narrow therapeutic index drugs C Digoxin is an example of a drug for which TDM is done D TDM can be done if drug has erratic pharmacokinetics 💡 Explanation Which is not true for therapeutic drug monitoring (TDM)? ✓ Correct Answer: A. Done when clinical response can be easily measured