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 …

Mar 3, 2026 · Syncope (fainting) is a temporary loss of consciousness caused by reduced blood flow to the brain. Learn about its types, causes, symptoms, diagnosis, treatment, and prevention.

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 …

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.

6 days ago · Fainting happens when the brain briefly loses blood flow. Learn what causes it, the different types, and which warning signs mean you should see a doctor.

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 …

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.