Drink water or an oral rehydration solution
Eat a salty snack or a meal with more sodium
Lie down and elevate your legs
Stand up slowly and avoid sudden position changes
Wear compression stockings
Avoid alcohol
Eat smaller, more frequent meals
Increase fluid intake during hot weather or exercise
Caffeine may temporarily raise blood pressure
Review medications that may lower blood pressure with a clinician
Seek urgent medical care for severe dizziness, fainting, chest pain, shortness of breath, or confusion