Drug having narrow therapeutic range is:
Therapeutic range is bounded by the dose which produces a minimal therapeutic effect and the dose which produces maximal acceptable adverse effect Lithium is an unsafe drug with a narrow therapeutic range- 0.6 - 1.2 mmol/L. Ref: KD Tripathi Pharmacology 7th edition (page no;56 )
Lithium
Seraline
Roboxetine
Dothiepin
General pharmacology