Most advice about blood pressure focuses on lowering it. But for some people, the problem runs the other way. Blood pressure that is too low — a condition called hypotension — can cause dizziness, fainting, fatigue, and falls. The most effective remedies for low blood pressure are increasing fluid and salt intake under a doctor’s guidance, wearing compression stockings, rising slowly from sitting or lying positions, and treating any underlying cause such as dehydration or medication side effects. These approaches work because they address the actual mechanisms that keep blood pressure stable.
Low blood pressure is not always a problem. Some people naturally run low and feel fine. Doctors generally consider blood pressure too low only when it causes symptoms or when it drops suddenly. For someone with a reading around 90/60 mm Hg or lower who feels dizzy and weak, the goal is to bring pressure up enough to relieve symptoms — not to hit a specific number on the cuff.
What Actually Counts as Low Blood Pressure?
There is no single cutoff that defines low blood pressure for everyone. A reading below 90/60 mm Hg is commonly used as a general guide, but the number alone does not tell the whole story.
What matters more is whether the pressure is low enough to reduce blood flow to the brain and other organs. A young, healthy person might function perfectly at 85/55. An older adult whose pressure suddenly drops from 140/90 to 100/65 could feel faint and fall.
Doctors typically look at three things together:
- The blood pressure reading itself
- Whether symptoms appear when standing up (a drop of 20 mm Hg or more in systolic pressure within three minutes of standing is the standard definition of orthostatic hypotension)
- Whether an underlying condition or medication is responsible
Symptoms are the real signal. Dizziness, lightheadedness, blurred vision, nausea, and fainting are the body telling you that blood flow to the brain has dipped. Those symptoms — not a number — are what treatment aims to fix.
What Helps Increase Blood Pressure: Remedies That Work
The remedies with the strongest support for low blood pressure are simple, low-cost, and well understood. They work by increasing blood volume, narrowing blood vessels, or helping the body adjust to position changes.
Fluids and salt
Blood pressure depends heavily on blood volume, and blood volume depends on fluid and sodium. When you are dehydrated, blood volume drops and pressure falls with it. Drinking more water — especially during hot weather, illness, or exercise — is often the first step.
Salt works because sodium helps the body hold onto water, which expands blood volume. Some clinicians recommend increasing dietary salt for people with symptomatic low blood pressure. This should only be done with a doctor’s guidance, because extra sodium can be harmful for people with heart failure, kidney disease, or high blood pressure. There are no universal salt targets for low blood pressure, so the amount needs to be set individually.
Compression stockings
When you stand, gravity pulls blood into the legs. For people whose bodies do not adjust quickly, this causes a sudden drop in pressure. Compression stockings squeeze the legs and help push blood back toward the heart. They are a well-established approach for orthostatic hypotension and are generally considered safe. Waist-high stockings tend to work better than knee-high ones, though they are harder to put on.
Rising slowly and other physical maneuvers
Simple body mechanics can prevent a dizzy spell. Standing up in stages — sitting on the edge of the bed for a minute before rising — gives the body time to adjust. Crossing the legs and clenching the muscles while standing, or tensing the fists, can briefly raise blood pressure when symptoms start. These physical counter-maneuvers are recognized strategies for managing orthostatic symptoms.
Smaller, more frequent meals
After a large meal, blood rushes to the digestive tract, and some people — particularly older adults — experience a drop in pressure called postprandial hypotension. Eating smaller meals more often can reduce this effect. Limiting alcohol, which can lower blood pressure, may also help.
Treating the underlying cause
This is often the most important step and the one most easily missed. Low blood pressure can be a symptom rather than a condition on its own. Common causes include dehydration, blood loss, certain medications (including some blood pressure drugs, diuretics, and antidepressants), hormonal problems, heart conditions, and prolonged bed rest. Correcting the cause can resolve the low pressure entirely.
A non-obvious point: for some people, the fix is not adding something but removing something. Reviewing medications with a doctor is frequently more effective than any home remedy, especially in older adults taking several drugs.
When Do You Need a Doctor Instead of Home Remedies?
Some low blood pressure is an emergency. Get medical help right away if low pressure comes with chest pain, severe shortness of breath, confusion, a cold or clammy feeling, fainting, or a rapid, weak pulse. These can signal shock, a serious allergic reaction, major blood loss, or another urgent problem.
See a doctor soon if you have repeated dizzy spells, have fainted, notice your vision briefly blacking out when you stand, or feel unusually weak and tired. Falls caused by low pressure are a real risk, particularly for older adults, and can lead to fractures and other injuries.
Also talk to a doctor before trying home remedies if you take blood pressure medication, have heart or kidney disease, or are pregnant. In pregnancy, blood pressure naturally runs lower in early pregnancy, and any symptoms should be checked rather than self-treated. No clinical guidelines support self-managing low blood pressure during pregnancy with salt or fluids alone.
What About Caffeine, Licorice, and Other Popular Suggestions?
Some commonly shared remedies have a real basis, and some do not. It helps to separate them.
Caffeine can raise blood pressure briefly by narrowing blood vessels. A morning coffee may ease symptoms for some people, but the effect is short-lived and not a reliable treatment. It is a reasonable small measure, not a solution.
Licorice does raise blood pressure — this is well documented. But it is not a safe home remedy. Regular or large amounts of licorice can cause serious problems, including dangerously low potassium levels and fluid retention, and the effect is hard to control. It should not be used to treat low blood pressure without medical supervision.
Vitamin B12 and folate matter only if you have a deficiency. Low levels of these vitamins can contribute to anemia, which in turn can lower blood pressure. If blood tests show a deficiency, correcting it is appropriate. If levels are normal, supplements will not raise blood pressure.
Herbal supplements marketed for low blood pressure generally have little or no clinical evidence behind them. No large human trials confirm that commonly sold herbal products reliably raise blood pressure, and some can interact with medications. The evidence here is limited, and these are not a substitute for proven measures.
How Low Blood Pressure Is Treated Medically
When lifestyle measures are not enough and symptoms are significant, doctors may prescribe medication. These drugs work by tightening blood vessels or increasing blood volume. They are used only under medical supervision because they can cause high blood pressure and other side effects if not carefully managed.
Treatment decisions depend on the type of low blood pressure — whether it happens when standing, after meals, or constantly. The approach for someone who faints on standing is different from the approach for someone with low pressure from a medication. This is why a proper evaluation comes before any treatment plan.
It is also worth knowing that treating low blood pressure is less well studied than treating high blood pressure. Much of clinical practice rests on physiological reasoning and smaller studies rather than large trials. That does not make the measures above ineffective — several are well established — but it is honest to say the evidence base is thinner than it is for high blood pressure.
Frequently Asked Questions
What is the fastest way to raise low blood pressure?
Drinking water and, if your doctor approves, eating something salty can raise blood volume and pressure within a short time. If you feel faint while standing, crossing your legs and tensing your muscles can briefly raise pressure.
Does drinking more water help low blood pressure?
Yes, for many people. Water increases blood volume, which can raise pressure, especially if you are dehydrated or it is hot outside.
Is salt good for low blood pressure?
Extra salt can help some people with symptomatic low blood pressure because sodium helps the body retain fluid. It is not safe for everyone, so ask your doctor before increasing salt, especially if you have heart or kidney problems.
When should I worry about low blood pressure?
Worry when low pressure comes with dizziness, fainting, confusion, chest pain, or shortness of breath. Those symptoms need medical attention rather than home remedies.

