Syncope is a loss of consciousness that happens due to a decrease in blood flow to your brain. It is more commonly known as fainting, and can happen…. Dizziness and nausea often go hand in hand. But what causes this particular pair of symptoms? Cold sweats are often associated with your body's ''fight or flight'' response. Here's what may be causing your symptoms and how to treat them.
Unconsciousness, when a person is suddenly unable to respond to stimuli, requires immediate medical attention. Get tips on first aid, CPR, and much…. Showering during a thunderstorm is not safe. Learn more about staying safe in your home during a thunderstorm and activities you should avoid. Dopamine is strongly associated with pleasure and reward. It's also involved in motor function, mood, and even our decision making. Learn about….
Health Conditions Discover Plan Connect. Mental Health. Medically reviewed by Heidi Moawad, M. What causes vasovagal syncope? What are the symptoms? When to see a doctor. When to get immediate medical care. How is it diagnosed? What are the treatment options? Can vasovagal syncope be prevented? The bottom line. Drinking more fluids may also help prevent fainting.
Aftereffects of fainting can include nausea, dizziness, fatigue, and appetite loss that can last from a few hours to multiple days. Fainting again is more likely while these symptoms are present, which is why potentially dangerous situations should be avoided, such as driving a vehicle.
Did you know the most common forms of heart disease are largely preventable? Our guide will show you what puts you at risk, and how to take control of your heart health. Blanc JJ. Syncope: Definition, epidemiology, and classification. Cardiol Clin. Kenny RA, Mcnicholas T. The management of vasovagal syncope. Vasovagal syncope. Management strategies for recurrent vasovagal syncope.
Intern Med J. Jeanmonod R. Vasovagal episode. Updated February Cleveland Clinic. Johns Hopkins Medicine. Tilt table testing. Pacing for vasovagal syncope. Arrhythm Electrophysiol Rev. J Cardiovasc Electrophysiol ; Your Privacy Rights. To change or withdraw your consent choices for VerywellHealth.
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Frequently Asked Questions Is there anything I can do to prevent vasovagal syncope? Can certain foods impact vasovagal syncope symptoms? What are the aftereffects of fainting? Was this page helpful? Thanks for your feedback! Sign Up. What are your concerns? Verywell Health uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles. Read our editorial process to learn more about how we fact-check and keep our content accurate, reliable, and trustworthy.
Related Articles. Heart Disease: Signs, Symptoms, and Complications. Why Do People Pass Out? Some types of syncope can occur as a result of an underlying medical condition that requires treatment. Examples of such conditions include:. They will also conduct a physical examination.
As part of this examination, the doctor will take blood pressure readings while the person is standing, sitting, and lying down. A doctor may also attempt to rule out alternative causes of fainting using one or more tests. Examples of such tests include:.
VVS does not typically require treatment. However, a person may sometimes be slow to regain consciousness after an episode of fainting. A bystander can intervene by laying the person on their back and raising their legs in the air.
Doing this may help restore blood flow to the brain, thereby helping the person regain consciousness. According to a review , there are limited treatment options for people with VVS.
Doctors advise people with this condition to avoid known fainting triggers and take precautions to prevent injury when signs of imminent fainting begin. Medications are not usually necessary for VVS. However, in some circumstances, the following medications may be effective in reducing the frequency of VVS episodes:. However, further studies are necessary to determine the effectiveness of these and other medical treatments for VVS.
VVS is not always completely preventable. However, a person may be able to reduce the number of fainting episodes that they experience. As with prescription medications, these preventive lifestyle approaches may work for some people and not others.
Vasovagal syncope refers to fainting that occurs in response to a sudden drop in heart rate or blood pressure. Vasovagal syncope is usually not dangerous.
However, people should seek medical attention if they faint when pregnant, experience additional symptoms, or fall and injure themselves when fainting. People should also see a doctor if they are unsure of the cause of fainting. There are no standard treatments for vasovagal syncope. Instead, treatment generally involves making certain dietary and lifestyle changes, as well as avoiding potential triggers of fainting. Type 1 and type 2 diabetes can cause many of the same symptoms.
Recognizing the early symptoms can help prevent diabetes complications. Learn more….
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