Overheating can make you pass out
Heatsyncopecan be described as passing out from overheating.
Excessive heat can produce many health complications, includingheat exhaustionandheat stroke.
A person can pass out without much warning, but sometimes there are warning signs.
Photo composite by Lecia Landis for Verywell Health; Getty Images
Many people wake up a few seconds after fainting, but this doesnt always happen.
Rhabdomyolysis
Rhabdomyolysisis muscle breakdown, and it is a dangerous condition.
Rhabdomyolysis has many triggers, including certain medications, severe illness, and excessive heat exposure.
Why Does Heat Make People Pass Out?
Vasovagal syncope, which is a more common cause of passing out.
It leads to disruptions in blood pressure, heart rate, hormone release, and/or breathing.
These episodes can resolve quickly, but overheating may also cause serious complicationssuch as organ failure.
After an episode of syncope, a person may need medication, intravenous fluids, or oxygen supplementation.
Additionally, place a cool pack or cool blanket anywhere on their body to help cool down their temperature.
What to Avoid
If someone has experienced syncope, do not cover their nose or mouth.
You might also have diagnostic tests to see if you have any risk factors for syncope.
If you are around someone who experiences syncope, get medical attention as soon as possible.
Centers for Disease Control and Prevention.Warning signs and symptoms of heat-related illness.
Johns Hopkins Medicine.Syncope (fainting).
2023;15:343-354. doi:10.2147/OAEM.S419028
Centers for Disease Control and Prevention.Tips for preventing heat-related illness.
2020:3(1);1025.
