Coma ... A coma is a prolonged state of deep unconsciousness in which a person cannot be awakened, fails to respond normally to painful stimuli, light, or sound, lacks a normal sleep-wake cycle and does …

Nov 26, 2024 · Coma is a state of prolonged loss of consciousness. It can have a variety of causes, including traumatic head injury, stroke, brain tumor, or drug or alcohol intoxication.

Nov 30, 2025 · Summary A coma is a deep state of unconsciousness. An individual in a coma is alive but unable to move or respond to his or her environment. Coma may occur as a complication of an …

Aug 25, 2025 · A coma is a deep unconscious state where you can’t wake up or respond, even to pain or loud sounds. Head injuries, strokes, infections or overdoses, among other things, can cause it.

Coma is defined as a state of deep unconsciousness, an eyes-closed unresponsive state. Coma is usually a transitory state though it may last for an indefinite or even prolonged period. Alerting and …

Jun 19, 2025 · A coma is a type of deep unconsciousness. Its causes, treatment, and outlook can vary per person. Learn more about coma, including its causes and outcomes.

A coma is a state of prolonged unconsciousness where a person is unresponsive and unable to wake up.

Jan 10, 2024 · During a coma, a person is unresponsive to their environment. The person is alive and looks like they are sleeping. However, unlike in a deep sleep, the person cannot be awakened by any...

Apr 24, 2023 · A coma is a deep state of unconsciousness that can result from an injury or illness. In some cases, it lasts for just a few days, but in others, the person does not wake up.

Information about coma causes such as brain injury, brain swelling, lack of oxygen to the brain, stroke, diabetes complications, drug overdose, and poisons. Learn about signs, prevention, and treatment.