Which of the following drugs exhibits narrow therapeutic window phenomenon?: (A) Captopril, (B) Furosemide, (C) Diazepam, (D) Imipramine
Answer is D. Imipramine exhibit therapeutic window phenomenon. also seen with drugs like phenytoin. lithium.theophylline. so the administrationis to be monitored using therapeutic drug monitoring. Ref: KDT 6/e pg. 46.