Fainting is as soon as you shed consciousness or “pass out” because that a quick time, usually about 20 secs to a minute. In clinical terms, fainting is recognized as syncope.

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Keep reading to learn more about the symptoms, what to do if girlfriend feel choose you’re going to faint, and how to stop this indigenous happening.

Fainting typically happens once the lot of blood flow to your brain suddenly drops. This can occur for numerous reasons, some of which are preventable.

Symptoms the fainting, or feeling choose you’re going to faint, usually come on suddenly. Symptoms may include:


If you’re susceptible to fainting or have a problem that provides you more likely to faint, over there are measures you can take to assist reduce your threat of passing out.

If you feel like you’re going to faint, some of the complying with steps may prevent friend from shedding consciousness:

If you can, lied down through your legs in the air.If you can’t lie down, sit down and put her head between your knees.Whether she sitting under or lying down, wait till you feel better and then stand up slowly.Make a tight fist and tense your arms. This can help raise your blood pressure.Cross her legs or press them with each other tightly come raise her blood pressure.If you think her lightheadedness might be led to by a absence of food, eat something.

If you check out someone that looks together if they’re about to faint, have actually them follow these tips. If girlfriend can, lug them food or water, and also get them come sit or lie down. Girlfriend can likewise move objects away from them in case they carry out faint.

If someone near you faints, be sure to:

Keep castle lying on your back.Check your breathing.Make sure they’re no injured.Call for assist if they’re injured, not breathing, or don’t wake up up ~ 1 minute.

Fainting happens as soon as the blood circulation to your brain decreases, or as soon as your body doesn’t reaction fast sufficient to transforms in how much oxygen you need.

There are numerous potential underlying causes for this, including:

Dehydration. Not taking in enough liquid can cause your blood press to drop.Being in one position. standing in the same place for also long have the right to lead to blood pooling far from her brain.Physical exertion. Overexerting yourself, particularly in warm weather, can reason dehydration and a fall in blood pressure.

If you pass out once and are in an excellent health, you more than likely don’t need to go come the doctor. But there room some cases when you should definitely follow up v your doctor.

See your medical professional if you:

have fainted an ext than once freshly or regularly feel like you’re going to fainthave a recognized heart conditionhave other unusual symptoms in addition to fainting

You should get medical care immediately after fainting if friend have:

trouble talking

It’s likewise important to acquire immediate care if you faint and can’t be woken up for over a minute.

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If you go to your doctor or urgent treatment after fainting, they’ll an initial take a medical history. Your physician or health care provider will ask around your symptoms and also how girlfriend felt before you fainted. They’ll also:

take her blood pressure

Depending ~ above what your medical professional finds in these tests, they may do various other tests. This might include:

blood tests

If girlfriend don’t have an underlying clinical condition, fainting every now and also then is usually nothing to problem about. However, if you have actually fainted more than once recently, are pregnant, or have actually heart issues, or other unusual symptoms, monitor up through your doctor.

If you find yourself feeling faint, you deserve to take measures to stop passing out. The most crucial thing is to gain your blood pressure ago up and to ensure that your brain is getting sufficient blood and also oxygen.

If you have problems that make you an ext likely come faint, make sure you follow your doctor’s references to minimize your danger of fainting.

last medically the review on April 15, 2020


Medically reviewed by Kevin Martinez, M.D. — created by Erica Hersh on April 15, 2020

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