Skip to Content

Health Encyclopedia

Vasovagal reaction

« Página Previa In English

Vasovagal reaction

Vasovagal reaction


This topic has not yet been translated. (Tema aún no ha sido traducido.)

This topic has not yet been translated. (Tema aún no ha sido traducido.)

A vasovagal reaction (also called vasovagal syncope) is sudden dizziness or fainting that can be triggered by pain, fright, or trauma. You may sweat, feel lightheaded, nauseated, or tingly, and you may pass out if the reaction continues.

A vasovagal reaction can happen without serious cause. But vasovagal reactions may be caused by heart problems, epilepsy, or other conditions that require treatment.

A vasovagal reaction can usually be relieved by lying down with your legs elevated. But treatment is necessary if a medical condition is causing the vasovagal reaction.