Drink more water
Increase salt intake if approved by a doctor
Eat smaller, more frequent meals
Avoid alcohol
Avoid standing up too quickly
Wear compression stockings
Raise your legs when lying down
Get up slowly from sitting or lying positions
Eat foods rich in vitamin B12 and folate if deficient
Review medications with a doctor
Treat dehydration
Treat underlying causes such as bleeding or infection
Use caffeine in moderation if it helps and is safe for you
Seek urgent medical care if symptoms are severe or sudden