An Open Access Journal from The Law Brigade Publishers 148 Asian Journal of Multidisciplinary Research & Review (AJMRR) ISSN 2582 8088 Volume 2 Issue 6 [December 2021] © 2021 All Rights Reserved by The Law Brigade Publishers CASE REPORT: PEDIATRIC INTOXICATION INDUCING AFTER DENTAL PAIN MANAGEMENT OTC BENZOCAINE PRODUCT Author(s): Dr. Muhi N. Salman & Dr. Amhed H.Al- Saraf *M.Sc Toxicology, Baghdad College Of Medical Sciences, Baghdad, Iraq **Pediatric I.C.U Room, Al-Ascan Pediatric Teachiing Hospital, Baghdad, Iraq ABSTRACT Local anesthetic systemic toxicity (LAST) is a life-threatening adverse event that may occur after the administration of local anesthetic drugs through a variety of routes. Increasing use of local anesthetic in various clinical practice makes contemporary understanding of LAST highly relevant. Methemoglobinemia is a rare disorder of the blood in which there is an increase in the proportion of hemoglobin present in the oxidized form (methemoglobin). It may be inherited, due either to a deficiency of methemoglobin reductase or to a structural abnormality of hemoglobin, or it may be acquired, usually secondary to exposure to drugs or chemicals that oxidize hemoglobin l. Administration of some local anesthetics such as benzocaine at large doses may lead to an acute effect of risk Methemoglobinemia. A 6-years-old child was suffering from dyspnea, headache, and grayish in appearance. The patient was self-treating with an over-the-counter topical oral benzocaine. Treatment; The diagnosis of methemoglobinemia was made in conjunction with consultation with a medical toxicologist , treatment with oxygen supply and methylene blue as antidote was given 1mg/kg of 1% solution intravenously over 7 minutes. The symptoms improved within 30 minutes and child felt markedly better within 1.5 hour. This case report presents a contemporary perspective on the current state of understanding of LAST, including presentation and treatment .Methylene blue is the specific antidote, but should be reserved for more severe cases.