Understanding Fainting -- Symptoms

Medically Reviewed by Daniel Kantor, MD, FAAN on May 15, 2025
1 min read

Depending on the cause of your fainting spell, you may have some or all of these symptoms before or during the episode:

 

You have an unexplained fainting episode. Especially if the episode occurs during exercise, happens during heart palpitations (feeling the heart beat irregularly), or if you have a family history of recurrent fainting or sudden death.