Coma
Coma is a state of deep unconsciousness. Coma is not a disease condition. It is a condition that is reactive to a medical situation.

Causes
There can be many different causes for coma.  They include:

• Head trauma
• Brain infection
• Lack of oxygen
• Stroke
• Intoxication
• Central nervous system abnormalities
• Diabetes

Symptoms

• Deep sleep which cannot be broken
• No response to pain or light
• No reaction to the environment
• No voluntary actions

Treatment
Coma is a medical emergency and requires immediate treatment. It may include:

• Supportive care for breathing
• IV fluids and medication
• Treatment of underlying condition
• Hyperventilation, diuretics or surgery to reduce brain swelling