Skip to content

    Brain & Nervous System Health Center

    Coma Directory

    A coma is a prolonged state of unconsciousness during which the comatose patient is unresponsive to the environment. A coma is caused by a brain injury due to increased pressure, swelling, brain hemorhage, loss of oxygen, a traumatic blow, infection like meningitis, drug overdose or, in people with diabetes, high blood sugar levels. Prompt medical attention is vital to treat potentially reversible conditions. Follow the links below to find WebMD's comprehensive coverage of coma, what it is, how it is caused, treated, and much more.

    Medical Reference

    Features

    Thumbnail: Preparing an Advance Directive

    Writing a living will and other end-of-life documents ensures your final days will be lived with dignity.

    Read Full Article

    News Archive

    Today on WebMD

    nerve damage
    Learn how this disease affects the nervous system.
    senior woman with lost expression
    Know the early warning signs.
     
    woman in art gallery
    Tips to stay smart, sharp, and focused.
    medical marijuana plant
    What is it used for?
     
    woman embracing dog
    Quiz
    boy hits soccer ball with head
    Slideshow
     
    red and white swirl
    Article
    marijuana plant
    ARTICLE
     
    brain illustration stroke
    Slideshow
    nerve damage
    Slideshow
     
    Alzheimers Overview
    Slideshow
    Graphic of number filled head and dna double helix
    Quiz