10 Fainting Symptoms

By adr.ian
Reviewed: dr. stavarache
Article Sources Article Sources
  • 1. 'Dizziness: Lightheadedness and Vertigo.' Michigan Medicine, www.uofmhealth.org/health-library/dizzi
  • 2. 'Heat Exhaustion.' Mayo Clinic, www.mayoclinic.org/diseases-conditions/heat-exhaustion/diagnosis-treatment/drc-20373253
  • 3. 'Person Is Unconscious & Not Breathing,' Myteam.org, www.myteam.org/person-is-unconscious-not-breathing
  • 4. 'Fainting.' Seattle Children's Hospital, 11 Mar. 2021, www.seattlechildrens.org/conditions/a-z/fainting
  • 5. 'Migraine.' Mayo Clinic, www.mayoclinic.org/diseases-conditions/migraine-headache/symptoms-causes/syc-20360201
Medical Expert Medical Expert

Fainting can occur for a variety of reasons. Being in an overly heated, poorly ventilated building may cause a person to pass out. When exposed to heat, a person's blood vessels expand, causing body fluid to move to the legs. This results in lower blood pressure, which can lead to fainting.

Emotional stress, such as fear, pain and shock, may cause a person to faint, as can something as simple as getting up too fast. Even fainting after coming face-to-face with an idol isn't uncommon. In addition to having various causes, fainting also has several symptoms.


Fainting occurs when a person loses consciousness for a period of time. Although it's not generally considered serious, if an individual faints regularly, they should consult with a doctor. Medically known as syncope, fainting periods may last from a few seconds to a few minutes.

One of several fainting symptoms is dizziness. Dizziness can cause a person to feel woozy, weak and unsteady on their feet. Individuals may also experience a sense that the room is spinning or moving. This is known as vertigo and may cause a person to feel disoriented.1‘Dizziness: Lightheadedness and Vertigo.’ Michigan Medicine, www.uofmhealth.org/health-library/dizzi


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