This includes head injuries, loss of oxygen, bleeding or pressure in the brain, infections, metabolic problems, and toxic factors. Some specific examples include: traumatic brain injuries, such as those caused by traffic accidents or violent fights. stroke (reduced blood supply to the brain)
How does a person go into a coma?
It can result from injury to the brain, such as a severe head injury or stroke. A coma can also be caused by severe alcohol poisoning or a brain infection (encephalitis). People with diabetes could fall into a coma if their blood glucose levels suddenly became very low (hypoglycaemia) or very high (hyperglycaemia).
How does a coma affect the body?
How a coma affects the body is sometimes determined by the cause of the coma. However, because a person in a comatose state is unable to move, bedsores, muscle contractures, malnutrition, and infections like pneumonia are all possible. A coma rarely lasts more than a few weeks, but some may last years.