Amnesia is memory loss that may be caused by a head injury or
stroke, substance abuse, or a severe emotional event, such as combat or a motor
vehicle accident. Depending upon the cause, amnesia may be temporary or it may
be a permanent condition.
Amnesia can involve complete loss of memory of one or more of the
A specific period of time
The cause determines whether the condition comes on slowly or
suddenly. Memory problems that come on gradually may be a part of ongoing
mental decline (dementia). Total global amnesia is a type of unexplained
amnesia that begins suddenly.
Treatment options and results of treatment of amnesia depend on the
cause of lost memory.
William H. Blahd, Jr., MD, FACEP - Emergency Medicine & David Messenger, MD
How this information was developed to help you make better health decisions.