Drink more fluids (water or oral rehydration solution)
Increase salt intake if you do not have heart failure, kidney disease, or hypertension (follow clinician guidance)
Eat smaller, more frequent meals to reduce post-meal drops
Rise slowly from sitting or lying positions
Avoid prolonged standing; shift positions and flex calf muscles
Wear compression stockings or an abdominal binder (if appropriate)
Avoid hot showers/saunas and overheating
Limit alcohol
Review medications with a clinician (possible causes: blood pressure meds, diuretics, nitrates, some antidepressants)
Check for dehydration, vomiting/diarrhea, or heavy sweating and replace fluids/electrolytes
Ensure adequate sleep and manage stress
Maintain regular gentle exercise (walking, leg strengthening) if safe
Eat adequate calories and nutrients; address anemia if present
Consider caffeine in moderation if appropriate and safe for you
Seek urgent care if fainting, chest pain, severe shortness of breath, confusion, signs of shock, or persistent symptoms occur