Hyperglycemia affects the people with diabetes. Hyperglycemia refers to high blood sugar. There are several factors that contribute to hyperglycemia in people having diabetes, including food and physical activity choices, not taking enough glucose-lowering medication, illness, or non-diabetes medications. Symptoms of hyperglycemia appear slowly over several days or weeks. The symptoms become more severe if blood sugar levels stay high for longer period of time. If hyperglycemia is left untreated, it can cause toxic acids to build up in your blood and urine. The symptoms include vomiting, Weakness, Coma, Abdominal pain, Nausea, Fruity-smelling breath. Talk to your doctor about management of blood sugar levels and understand how different treatments can help keep your glucose levels within your goal range. There are several journals that publish the papers of Hyperglycemia. Among these several journals one of them is Internal Medicine Open Access. The journal is peer reviewed, freely accessible to the readers throughout the world.