
Causes of Fainting: Reasons for Passing Out - Verywell Health
Dec 2, 2024 · Fainting (syncope) is a sudden loss of consciousness from a lack of blood flow to the brain. People who have passed out usually wake up quickly after collapsing, but in some cases, fainting is a sign of a serious or potentially life-threatening condition.
FAINT Definition & Meaning - Merriam-Webster
The meaning of FAINT is hardly perceptible : dim. How to use faint in a sentence.
Fainting: Causes, Types, and Prevention - Healthline
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 known as...
Fainting: Causes & First Aid Tips - Cleveland Clinic
Mar 14, 2023 · Fainting, or passing out, is a temporary loss of consciousness from a sudden decrease of blood flow to your brain. An episode usually lasts a few seconds or minutes. Most are harmless, but if you faint often or have other symptoms, you should seek medical attention.
Fainting: What It Feels Like and What Causes It - WebMD
Jul 10, 2024 · Fainting, or syncope, is a temporary loss of consciousness caused by a lowered blood flow to the brain. Various conditions can trigger fainting, ranging from mild to serious.
What Causes Fainting? 10 Common Health Reasons for Fainting
A person faints or loses consciousness for a brief time when the brain does not get enough oxygen. Fainting or passing out is also medically called syncope. Before fainting, people may experience lightheadedness, dizziness, weakness, and nausea. Others describe fainting as blacking out or feeling like sounds are fading away.
What Causes Fainting: Why Healthy People Faint | The Healthy
Feb 24, 2021 · Fainting—the medical term is “syncope”—is a sudden and temporary loss of consciousness caused by lack of adequate blood flow to the brain. That’s different from getting knocked out or losing consciousness from, say, a drug overdose or an insulin coma.
When should you worry about fainting? - Harvard Health
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 can't evaluate yourself, and you should let a physician determine if fainting is worrisome or not.
Fainting: First aid - Mayo Clinic
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 significance. Or the cause can be a serious disorder, occasionally involving the heart.
Fainting: Symptoms, Causes, and Treatment | Red Cross
Fainting is caused by a sudden decrease in blood flow to the brain. Usually the cause of fainting is not serious. For example, being dehydrated (not having enough fluid in the body), being too hot, being in a crowded room or feeling intense emotion can cause a person to faint.