Lie down and raise your legs above heart level
Drink 2 to 3 glasses of water quickly
Eat something salty, such as salted crackers or broth
Have a caffeinated drink if you normally tolerate caffeine
Stand up slowly and avoid sudden position changes
Loosen tight clothing
Sit or lie down immediately if you feel faint
Use oral rehydration solution if dehydration is possible
Eat a small snack if low blood sugar may be the cause
Seek urgent medical help if you have chest pain, shortness of breath, fainting, confusion, or severe weakness