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.

Dec 5, 2025 · Key Takeaways Fainting happens when your brain doesn’t get enough blood. Dehydration, shock, too much alcohol, and even anxiety can lead to fainting. If you think you’re about …

Jun 4, 2025 · Syncope is the broad medical term for fainting, which has many causes. This temporary loss of consciousness follows a drop in blood flow to your brain. Usually, syncope isn’t a cause for …

Below are some of the common causes of fainting: 1. Dehydration. When there is a significant reduction of fluids in a person's body, he or she can become dehydrated. The symptoms of dehydration may …

Jul 3, 2023 · Various factors can trigger fainting, including emotional stress, pain, dehydration, and certain medications. Health conditions can also trigger fainting, such as diabetes, heart disease, or...

Syncope occurs when there is not enough blood flow to the brain. There are many potential causes, but the most common ones include: If fainting occurs frequently and is not because of dehydration or …

Jul 21, 2025 · Explore why fainting happens. This guide explains the distinction between benign physical reactions and symptoms that point to a deeper medical issue.

Fainting, "blacking out," or syncope is the temporary loss of consciousness followed by the return to full wakefulness. This loss of consciousness may be accompanied by a loss of muscle tone that can …

Fainting is caused by a temporary loss of the brain's blood supply and can be a sign of a more serious condition. People of any age can faint, but elderly persons may have a serious underlying cause.

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 …