If the vision becomes dark or you feel like going to unconscious, lean, or put your head on a chair or table. Try to lie down and raise your legs a bit to restore blood to the heart. If not able to lie down, bend forward and put your head between knees.

Prevention

• Stand up and change positions slowly, especially if you want to turn from one side to the other or if the lie would stand. When you are woke up in the morning, before getting out of bed, first sit on the edge of the bed for a few minutes.
• Arrange yourself. Intersperse with break if you work in hot and humid. Wear appropriate clothing to   avoid overheating situation.
• Drink enough water to avoid dehydration and to keep good circulation.
• Avoid smoking, drinking alcohol, and drugs.
• Do not drive a car or operate dangerous equipment if you’re dizzy.
• Do not go up or down stairs.
• Check your medications. Maybe you should ask the doctor for adjustments.

Medical Treatment

Low symptoms that occur for weeks or months are probably have the nervous system diseases that seriously. Because dizziness and balance problems many causes, so in making the diagnosis usually takes a complete medical history and some tests.

Faced with sudden vertigo, other than to avoid positions or movements that can cause dizziness, the doctor may also recommend sedation, anti vomiting medicine and proper positioning.

Go to the doctor if:

• Dizziness is very serious, last long (more than a few days or a week) or occur repeatedly.
• You are drinking medication for high blood pressure.
• Feces are blackish or there is blood or have a sign blood loss.

Seek for medical help immediately if:

• You unconscious when turning the head or neck craned, or when accompanied by symptoms such as pain in the chest or head, difficulty breathing, numbness or weakness of prolonged, irregular heartbeat, blurred vision, dazed, or difficult to speaking.
• The symptoms mentioned above occur during waking.
• Someone unconscious without early signs.
• This is the first attack to the victim unconscious for no apparent reason.
• The victim suffered injuries during unconscious.

Until the doctor arrives, do the following:
If the victim lying in position makes the victim slept on his back. Watch the breathing, often times people vomit after unconscious. If the victim looks like throwing, twisting his body. Look at the victim was still breathing and check the pulse as well. (If not, then the problem is more severe than the unconscious, and CPR should be done). Raise the victim’s legs higher than his head. If the victim is still unconscious in the sitting position, make laid quickly. Loosen the tight clothing.