<prompt> The route of administration of amyl nitrite in cyanide poisoning is: Karnataka 07IntramuscularIntravenousIntradermalInhalation  <response>: Ans. Inhalation amyl nitrite by inhalation, are all effective in reversing the lethal effects of cyanide poisoning. 0.3 mL ampule crushed and contents poured onto a gauze and placed in front of patients mouth or endotracheal tube. DMAP and hydroxylamine hydrochloride are effective when given by the intramuscular route. 