Drink more water
Increase salt intake if your doctor says it is safe
Eat small, frequent meals
Avoid standing up too quickly
Wear compression stockings
Limit alcohol
Avoid very hot showers or baths
Rest and lie down with your legs elevated
Eat foods rich in vitamin B12 and folate
Review medications with a doctor
Exercise regularly
Treat underlying causes such as dehydration or infection
Seek urgent medical help if you faint, have chest pain, shortness of breath, or confusion