According to WebMD, low blood pressure can be raised by eating a diet high in salt. Drinking a lot of extra fluids is also a way that patients can raise their low blood pressure naturally.
WebMD also states that getting regular exercise keeps blood pressure regular. Patients are also advised to eat small, frequent meals and avoid taking medications that may lower their blood pressure even more. Patients who suffer from low blood pressure may need medical treatment to raise their blood pressure. Medications can be prescribed to increase a patient's blood pressure or treat the underlying cause of the disorder.