Pharmacology General 23f41202 Hemodialysis is useful in all of the following except ? A Barbiturate poisoning B Methanol poisoning C Salicylate poisoning D Digoxin poisoning High-Yield Explanation Ans. is d i.e., Digoxin poisoning o Dialysis in not effective in amphetamines, verapamil, organophosphates, opioids, imipramine, digitalis, diazepam.