##submission.abstract##
Purpose: To study overall incidence of adverse effects, highlight incidence of life threatening complications, identify unusual complication if any and possible measures to prevent them.
Materials and methods: This was a ten year retrospective study where in data related to patients at presentation and data related to complications was taken from regional cancer registry and was compiled.
Conclusion:Asparaginase is aessential component of acute leukemia protocols . The ability to rapidly identify and manage asparaginase-associated toxicity will help ensure patients receive the maximal benefit from asparaginase therapy.