Jul 10, 2024 · Understand the basics of fainting and blacking out from WebMD experts. Discover the causes and learn when to seek medical assistance

Syncope (“SIN-ko-pea”) is the broad medical term for fainting or passing out. This happens when you have a sudden, temporary drop in the amount of blood that flows to your brain.

Jul 3, 2023 · Fainting happens when you lose consciousness for a short amount of time because your brain isn’t getting enough oxygen. The medical term for fainting is syncope, but it’s more commonly …

Fainting, passing out, blacking out, or syncope is the temporary loss of consciousness caused by a variety of situations such as vasovagal syncope, low blood pressure, and anemia. Learn about …

Dec 5, 2025 · Fainting has many causes, like anxiety, dehydration, or heart issues. Learn to recognize symptoms, prevent episodes, and seek medical help when needed.

Aug 8, 2023 · Fainting can be alarming, and it should be. While often the cause of fainting is something minor, fainting also can be a sign of a serious underlying medical concern. The problem is that you …

Jan 22, 2025 · Fainting occurs when the brain doesn't receive enough blood for a brief time. This causes loss of consciousness. Consciousness is usually regained quickly. Fainting might have no medical …

Jul 22, 2025 · Fainting, or syncope, is a brief loss of consciousness when blood flow to the brain suddenly drops. Know the causes and what to do if someone faints.

Fainting, also called syncope or passing out, is a symptom that occurs when there is inadequate blood flow to the brain. It is temporary, with a loss of consciousness that comes on quickly and can lead to …

Jun 20, 2023 · Definition Fainting is a brief loss of consciousness due to a drop in blood flow to the brain. The episode most often lasts less than a couple of minutes and you usually recover from it …