Drink more fluids (water or oral rehydration solution)
Eat regular meals; include adequate salt if you’re allowed to
Rise slowly from sitting or lying positions
Elevate the head of your bed slightly if nighttime symptoms occur
Wear compression stockings if advised by a clinician
Avoid alcohol or limit intake
Avoid overheating; take breaks in hot environments
Review medications with a clinician (including blood pressure meds, diuretics, antidepressants, nitrates, and others)
Check for and treat dehydration, infections, anemia, thyroid problems, and adrenal insufficiency
Consider smaller, more frequent meals to reduce post-meal drops in blood pressure
Maintain a balanced diet with sufficient electrolytes
Increase physical activity gradually if cleared by a clinician
Avoid prolonged standing; shift weight or move legs periodically
If symptoms occur, sit or lie down and raise legs while you recover
Seek urgent care if you have fainting, chest pain, severe shortness of breath, confusion, signs of stroke, GI bleeding, or a rapidly worsening condition
Contact a clinician promptly if low blood pressure is persistent, frequently symptomatic, or associated with new medication changes or pregnancy