You are in Medical Library . This list is not all inclusive, and the causes are not presented in order of likelihood. The causes of this symptom can include unlikely diseases and medications. Furthermore, the causes may vary based on age and gender of the affected person, as well as on the specific characteristics of the symptom such as quality, time course, aggravating factors, relieving factors, and associated complaints. Use the Symptom Analysis option to explore the possible explanations for decreased consciousness, occurring alone or in combination with other problems.
Persistent coma is called vegetative state.
If unexplained, decreased consciousness occurs or is observed in someone else. The medical history will be obtained and a physical examination performed. The physical examination will include a detailed examination of the nervous system. Surgery may be required to remove any tumor , scar, or abscess if one is causing epilepsy. Psychotherapy or counseling to understand and live with a seizure disorder may be recommended.