1. Severe diabetes mellitus with an early onset; characterized by polyuria and excessive thirst and increased appetite and weight loss and episodic ketoacidosis; diet and insulin injections are required to control the disease
   "He was diagnosed with type I diabetes at age seven";
   - insulin-dependent diabetes mellitus, IDDM, juvenile-onset diabetes, juvenile diabetes, growth-onset diabetes, ketosis-prone diabetes, ketoacidosis-prone diabetes, autoimmune diabetes

Type of: autoimmune disease, autoimmune disorder, diabetes mellitus, DM, sugar diabetes

Encyclopedia: Type I diabetes