There are also some lifestyle changes you’re free to make overall to lower your chances of fainting.
First, lie down if possible.
If you cannot lie down, sit with your head between your knees.
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Ask for some water.
How to Avoid Specific Triggers
Different types of fainting have different triggers.
Your healthcare provider can help you determine thecause of your faintingand any specific triggers.
Avoid drinking alcohol and caffeine, which can be dehydrating.
Wear loose-fitting clothes made of lighter fabrics to stay cool.
Staying in the shade or using a sunhat can provide shade to help keep you cool.
Fainting From Dehydration
Dehydrationhappens when your bodys fluid levels are low.
Dehydration can cause your urine to darken, and you may feel dry mouth and thirst.
People can lose fluid through sweat, vomiting, and diarrhea.
Take in more salt, which helps your body hold on to the water you drink.
However, it can happen in people without diabetes.
They may need to adjust any diabetes medications.
Pain or anticipated pain from medical procedures can alsotrigger fainting.
Fainting During Pregnancy
Pregnancy can cause low blood pressure, which may lead to fainting.
Any fainting in pregnancy should be evaluated by a healthcare provider to rule out serious causes.
However, to prevent fainting, stay well-hydrated and avoid lying flat on the back after the first trimester.
Warning Signs
Sometimes, fainting happens suddenly, without warning.
A sudden loss of consciousness could be due to a serious condition likesudden cardiac arrest.
Without help, a person with sudden cardiac arrest will die.
AEDs are simple to use.
If you experience a fainting episode, its best to discuss it with your healthcare provider.
They may order tests such as blood tests, electrocardiogram, or other heart testing.
Summary
Fainting is a sudden loss of consciousness due to the brain not getting enough blood.
There are many causes of fainting.
The most common types of fainting have warning signs and triggers.
Paying attention to these and taking certain steps can help prevent fainting.
If you see someone else collapse, call for help right away.
2017;136(5):e60-e122.
doi:10.1161/CIR.0000000000000499
American Heart Association.Syncope (fainting).
National Institute of Neurologic Disorders and Stroke.What is syncope?
2022;6(6):e484-e495.
doi:10.1016/S2542-5196(22)00117-6
U.S. Centers for Disease Control and Prevention.About heat and your health.
Saklani P, Krahn A, Klein G.Syncope.Circulation.
2020;142(16_suppl_2):S366-S468.
doi:10.1161/CIR.0000000000000916
American Heart Association.What is an automated external defibrillator?
