A blackout is a temporary loss of consciousness. In most cases, this condition is caused due to lack of oxygen supply to your brain. Blackout is usually followed by a feeling of utmost weakness, dizziness, and nausea. In most cases, blackouts are harmless.
The blood flow can be restored if you simply lay flat for a short time. But also, there are some cases in which blackouts can be a sign that you have a serious underlying disease. In this way, you need to talk with your doctor as soon as possible, and you should not let this problem pass unthreatened.
There are many causes for blackouts, such as low blood pressure and an abnormal heartbeat, intense physical exercise, low blood sugar, an environment in which there is a lack of oxygen, filtering to defecate, prolonged coughing, osteoarthritis of the neck bones, depression and stress and extreme pain and fear.
It is very important to have fresh air constantly and to do a regular physical activity because they can help you to keep the blackouts away. Also, a healthy lifestyle and the well-balanced diet are very important in the prevention of many problems.
15 home remedies for blackouts
One of the most beneficial herbal remedies which you can use for treating blackouts is kava. Also, you can use this natural cure to get an effective treatment for many different diseases. There are many studies in which is shown that kava is one of the best natural cures for treating insomnia .
Also, it can help you to manage anxiety and stress, which in most cases, are the most common causes of blackouts.
You should drink water as much as you can because this will help you to overcome any possible dehydration.
Also, you should give yourself a massage at the temples because this will relax the nerves of your brain. Then, you should splash cold water over your face. Take proper rest. These methods will help you to feel much better. You should limit the amount of alcohol you consume because, in this way, you will avoid dehydration, and you should drink a lot of water.
People who suffer from repeated fainting spells should use basil tea as their natural treatment. In eight oz of boiling water, you should add three tablespoons of fresh basil, and then you should boil this tea for fifteen to twenty minutes. You should use this home remedy several times per day if you want to stay away from fainting.
This home remedy is an effective nervine, antidepressant and antispasmodic, which stimulates your nerves, and these properties will protect you from fainting spells. Even people who drink basil extract immediately after a fainting spell will help to recover from the situation immediately. 
Valerian is also one of the most used natural remedies for blackouts. This home remedy has been used since ancient times as a natural remedy for many diseases. Valerian has anti-anxiety and antiseptic properties, which can lessen the symptoms that are associated with blackouts. 
This is one of the best natural remedies which you can use as your natural treatment for many diseases. Also, you can use ginkgo as your natural treatment for managing depressive symptoms, which are one of the most common causes of blackouts. 
This is one of the most used natural cures for treating many different disorders, and here we can include the treatment of blackouts. There are some components in the passionflower which are proven that can help you to decrease anxiety, depression, and, ultimately blackout. 
Chamomile is one of the best home remedies used to treat many different diseases. Also, you can use chamomile as your natural treatment for reducing anger and rage, which are one of the most common causes of blackouts.
The flowers and the leaves of this plant are normally used for treating different diseases and also it is considered to be one of the greatest natural sedatives . When you use it in low doses, then this herb acts as an anti-anxiety agent.
Ginger is one of the most used home remedies all around the world, and you can use it as your natural treatment for blackouts. Ginger can help you to overcome unconsciousness, stupor, and delirium caused to your brain during fainting.
You should use one part of ginger, one part of black pepper, and one part of pippali and you should grind them in a blender. Then, you should apply this mixture to your nostrils in small amounts. Also, you should make a thin paste of ginger using water. You should apply this paste to your eyelids because this will help you to overcome the blackout.
Also, you should give one cup of ginger tea to the fainted person because it can increase the overall circulation of his blood and it will help him to recover from the fainting completely. [7,9]
Increase oxygen supply to the brain
You should comfort the person that is fainted by making him lie down on a flat surface. His face should be up, and his legs rose a little higher than his head. This will ensure an oxygen supply to his brain, and he will regain consciousness and he it will revive from fainting.
This is one of the best natural cures, which can be very effective in controlling and treating blackouts. This herb can be used as a natural treatment for feelings of anger which also can be used as a natural treatment for blackout. Also, it can help you to slow the release of depression and stress, which is one of the most common causes of blackouts.
Apple cider vinegar
You should mix two tablespoons of apple cider vinegar and two tablespoons of honey in 8 oz of water, and you should drink this natural cure very often because it can help you in the prevention of future fainting spells. This will clear up the airway passages of your respiratory system. This will ensure that you will have unrestricted breathing.
Elevate your legs to stop fainting
One of the best things that you should do if you think that you are about to faint, then you should lie down. You should lift your legs up. Then, you should keep them elevated above your head on blankets or pillows if you can. This helps the blood flow to go back to your brain.
If you cannot lie down, then you should sit with your head bent forward between your legs. You should wait in this position until you feel better, and then you should stand up, but you should do it so slowly. If someone near you faints, then you should loosen collars and belts and other restrictive clothing, and you should keep him lying, or you should sit him down until you have noticed that the shaky feeling has passed.
If you faint after standing in line for a while, then this is caused by one simple reason. When we stand in line without moving for a long period, then our blood pools in the bottom of our legs. This causes your brain not to have enough blood, and then you faint. You should try relaxing your calf muscles by moving your legs when you stand in line. You should flex your toes, and you should stand up slightly on your toes because, in this way, you will activate your calf muscles. This step will force the blood back up toward your brain and heart. 
Onion can be used as a natural treatment for blackouts. You should cut one onion in two halves, and you should position the open one-half directly beneath your nostrils. It has a strong, pungent smell which will activate the nerves of your brain, and it will help the fainted person to regain consciousness.
Peppermint oil has antispasmodic properties, which will aid in soothing the tensed nerves. Also, it has a refreshing smell which acts as a stimulant for your brain to function efficiently. You should put 3 drops of peppermint oil on a handkerchief, and you should keep it close to the nose of the fainted person. This natural cure will revive back this person from the fainting spell. 
This is also a very effective home remedy for blackouts. You should put 3 cups of wine vinegar to a boil. Then, you should add two tablespoons of mint and rosemary to the steaming wine. Then, you should steep this natural cure for the next twenty minutes. Strain it. Then, you should drink this tea after overcoming fainting, and also it will prevent from further fainting spells. It has a soothing aroma that can activate the nerves of your body and also this will refresh that person.
 Shinomiya K, Inoue T, Utsu Y, et al. Effects of kava-kava extract on the sleep-wake cycle in sleep-disturbed rats. Psychopharmacology (Berl). 2005;180(3):564-9.
 Pattanayak P, Behera P, Das D, Panda SK. Ocimum sanctum Linn. A reservoir plant for therapeutic applications: An overview. Pharmacognosy Review. 2010;4(7):95-105.
 Bent S, Padula A, Moore D, et al. Valerian for sleep: A systematic review and meta-analysis. The American Journal of Medicine. 2006;119(12):1005-12.
 Dai CX, Hu CC, Shang YS, Xie J. Role of Ginkgo biloba extract as an adjunctive treatment of elderly patients with depression and on the expression of serum S100B. Medicine (Baltimore). 2018;97(39):e12421.
 Lakhan SE, Vieira KF. Nutritional and herbal supplements for anxiety and anxiety-related disorders: systematic review. Nutrition Journal. 2010;9:42.
 Chang SM, Chen CH. Effects of an intervention with drinking chamomile tea on sleep quality and depression in sleep disturbed postnatal women: a randomized controlled trial. Journal of Advanced Nursing. 2016;72(2):306-315.
 Mashhadi NS, Ghiasvand R, Askari G, et al. Anti-oxidative and anti-inflammatory effects of ginger in health and physical activity: Review of current evidence. International Journal of Preventive Medicine. 2013;4(Suppl1):S36-S42.
 European Society of Cardiology. Tilt training prevents fainting, study suggests: Worry and fear about fainting reduced and patients returned to work. ScienceDaily. 2019. Retrieved from www.sciencedaily.com/releases/2019/03/190318083936.htm.
 Lua PL, Salihah N. A brief review of current scientific evidence involving aromatherapy use for nausea and vomiting. Journal of Alternative and Complementary Medicine. 2012;18(6):534-40.