Drink more water
Increase salt intake if your doctor says it is safe
Eat small, frequent meals
Avoid alcohol
Stand up slowly
Avoid long hot showers or baths
Wear compression stockings
Lie down and raise your legs
Eat foods with adequate protein and calories
Limit large carbohydrate-heavy meals
Review medications with a doctor
Treat dehydration, vomiting, or diarrhea promptly
Increase caffeine only if it is safe for you
Exercise regularly but avoid sudden position changes
Seek medical care if you have fainting, chest pain, shortness of breath, or severe dizziness