Background: Diabetic ketoacidosis (DKA) is a serious complication of relative insulin deficiency affecting primarily type-1 diabetes mellitus (DM). DKA can occur in type-2 DM when insulin levels fall far behind the body’s needs. DKA is so named due to high levels of water-soluble ketone bodies (KBs), leading to an acidotic physiologic state. Objective: The aim of this study was to determine the effect of a designed discharge Plan on Incidence of Complication's among Patients with Diabetic Ketoacidosis. Design: Quasi Experimental design will be utilized in this study. Setting: intensives care unit – national institute of diabetes and endocrinology (NIDE). Sample: Purposive sample of adult patients’40 patients diagnosed with diabetic ketoacidosis in the previous mentioned setting. Tools: tool (1) self-administered, interview questionnaire Part I: Patient’s sociodemographic characteristics Part II: Patient’s Medical Data. Tool (II): pre and post discharge knowledge assessment questionnaire. Tool( III): Risk for complications assessment questionnaire