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When you faint, or pass out, you lose consciousness for a short time. A brief drop in blood flow to the brain often causes it. When you fall or lie down, more blood flows to your brain and you regain consciousness.
Emotional stress, pain, or overheating—especially if you have been standing—can make you faint. In these cases, fainting is usually not serious. But fainting can be a sign of a more serious problem. Your doctor may want you to have more tests to rule out other causes.
The treatment you need depends on the reason why you fainted.
The doctor has checked you carefully, but problems can develop later. If you notice any problems or new symptoms, get medical treatment right away.
Follow-up care is a key part of your treatment and safety. Be sure to make and go to all appointments, and call your doctor or nurse call line if you are having problems. It's also a good idea to know your test results and keep a list of the medicines you take.
Call 911 anytime you think you may need emergency care. For example, call if:
Watch closely for changes in your health, and be sure to contact your doctor or nurse call line if:
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Current as of: July 1, 2021
Author: Healthwise Staff
Medical Review:Adam Husney MD - Family Medicine & Kathleen Romito MD - Family Medicine & William H. Blahd Jr. MD, FACEP - Emergency Medicine
Care instructions adapted under license by your healthcare professional. If you have questions about a medical condition or this instruction, always ask your healthcare professional. Healthwise, Incorporated disclaims any warranty or liability for your use of this information.
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