When a person has fainting symptoms but does not faint, it is known as presyncope. Presyncope is the stage before fainting, which can make someone feel lightheaded, weak, warm, sweaty, or nauseous.

Vasovagal syncope (VVS) describes fainting that occurs in response to a sudden drop in heart rate or blood pressure. Doctors sometimes refer to VVS as neurocardiogenic syncope or reflex syncope. This ...

Syncope is a temporary loss of consciousness that happens due to a decrease in blood flow to your brain. It’s more commonly known as fainting. Fainting accounts for between 3 and 5 percent of ...

Fainting is when you lose consciousness or “pass out” for a short time, usually about 20 seconds to a minute. In medical terms, fainting is known as syncope. Keep reading to learn more about the ...

Fainting may seem like a movie cliché to add drama to a scene, but doctors say it can happen to anyone in real life — including healthy people. Syncope, the medical term for passing out, happens when ...

Fainting, medically known as syncope, happens when the brain temporarily receives insufficient blood flow, causing a brief loss of consciousness. While many cases are linked to dehydration, stress, ...

Feeling faint? Cross your ankles. Squeeze your knees. Grip a ball. Simple muscle-tensing exercises like these can keep you from passing out, say researchers who did a scientific study of the problem.

Most of us have experienced fainting at least once in our lives. It is the sudden loss of consciousness, usually caused by a sudden drop in blood flow to the brain. What other health issues can cause ...

A sudden restriction of blood flow to the brain. That's how scientists have traditionally explained why people faint. Subscribe to read this story ad-free Get unlimited access to ad-free articles and ...

A healthy 29-year-old guy who started having episodes of fainting had an unusual culprit to blame: his hair-loss medicine. The medication minoxidil (sold under the brand name Rogaine), which is used ...