You may suffer from a simple fainting spell due to anxiety, fear, pain, intense emotional stress, hunger, or use of alcohol or drugs.
Most people who suffer from simple fainting have no underlying heart or neurological (nerve or brain) problem.
What does fainting feel like?
A fainting spell generally lasts from a few seconds to a few minutes. Feeling lightheaded, dizzy, weak, or nauseous sometimes happens before you faint. Some people become aware that noises are fading away, or they describe the sensation as “blacking out” or “whiting out.”
What can cause a person to pass out?
Fainting, or syncope, is a sudden and temporary loss of consciousness. This usually occurs due to a lack of oxygen reaching the brain. Many things can cause oxygen deprivation to the brain, including low blood pressure.
How do I stop myself from passing out?
Can Fainting Be Prevented?
- If possible, lie down. This can help prevent a fainting episode, as it lets blood get to the brain.
- Sit down with your head lowered forward between your knees.
- Don’t let yourself get dehydrated.
- Keep blood circulating.
- Avoid overheated, cramped, or stuffy environments, whenever possible.
What happens to your body when you pass out?
A drop in blood flow to the brain causes fainting. The most common causes of fainting are usually not signs of a more serious illness. In these cases, you faint because of: The vasovagal reflex, which causes the heart rate to slow and the blood vessels to widen, or dilate.