What other symptoms might occur with blackouts?
Blackouts may accompany other symptoms, which vary depending on the underlying disease, disorder or condition.
Nervous system symptoms that may occur along with blackouts
Blackouts may accompany other symptoms affecting the brain and nervous system including:
- Changes in hearing, taste or smell
- Changes in mood, personality or behavior
- Difficulty speaking
- Dizziness or vertigo
- Head injury
- Loss of vision or changes in vision
- Memory loss
- Muscle twitching, spasms or seizures
Other symptoms that may occur along with blackouts
Blackouts may accompany symptoms related to other body systems including:
- Body aches
- Nausea with or without vomiting
- Weight loss
Serious symptoms that might indicate a life-threatening condition
In some cases, blackouts may be a symptom of a life-threatening condition that should be evaluated immediately in an emergency setting. Seek immediate medical care (call 911) if you, or someone you are with, have any of these life-threatening symptoms including:
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Change in level of consciousness or alertness, such as passing out or unresponsiveness
Change in mental status or sudden behavior change, such as confusion, delirium, lethargy, hallucinations and delusions
Chest pain or pressure
Garbled or slurred speech or inability to speak
High fever (higher than 101 degrees Fahrenheit)
Paralysis or inability to move a body part
Respiratory or breathing problems, such as shortness of breath, difficulty breathing or inability to breathe, labored breathing, wheezing, or choking
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- Memory loss. Medline Plus, a service of the National Library of Medicine National Institutes of Health. http://www.nlm.nih.gov/medlineplus/ency/article/003257.htm.
- Amnesia. University of Iowa Hospitals and Clinics Health Topics. http://www.uihealthcare.com/topics/mentalemotionalhealth/ment3141.html.