Increase salt intake (unless you have been told to limit sodium for heart failure, kidney disease, or uncontrolled high blood pressure)
Drink more fluids, especially water
Eat regular meals and avoid long gaps between meals
Include potassium-rich foods (bananas, oranges, potatoes, spinach, beans) if appropriate for your health
Avoid alcohol or limit alcohol intake
Avoid sudden standing; rise slowly from sitting or lying down
Wear compression stockings (especially if symptoms are related to standing)
Increase physical activity gradually (walking, cycling, light resistance training)
Ensure adequate sleep
Manage medications that may lower blood pressure with your clinician (e.g., some blood pressure meds, diuretics, antidepressants, nitrates)
Review and correct anemia or low iron if present (ask a clinician for testing)
Check blood sugar if symptoms suggest low blood sugar
Consider caffeine (small amounts) if safe for you
Discuss medications with a clinician if persistently low blood pressure is causing symptoms (e.g., fludrocortisone, midodrine, others depending on cause)
Seek urgent care if you have fainting, chest pain, severe shortness of breath, confusion, signs of stroke, or severe weakness with very low blood pressure