30/08/2026
Have you ever been sitting or lying down, stood up quickly, and suddenly felt dizzy or like you might faint?
You may have experienced orthostatic hypotension.
Orthostatic hypotension is when your blood pressure drops significantly after standing up, causing symptoms such as dizziness or lightheadedness.
What Happens When You Stand Up?
When you stand, gravity pulls some blood toward your legs.
Normally, your body quickly adjusts your blood pressure to keep enough blood flowing to your brain.
But if this adjustment doesn't happen properly, your blood pressure can fall and you may feel dizzy or even faint.
Common Symptoms
You may experience:
• Dizziness or lightheadedness
• Blurred or tunnel vision
• Weakness
• Feeling unsteady
• Nausea
• Confusion
• Fainting
Symptoms usually happen within a few minutes of standing and often improve when you sit or lie down.
Who Is More At Risk?
1. Older adults
The body's blood pressure control system can become less responsive with age.
2. People who are dehydrated
Vomiting, diarrhea, heavy sweating, fever, or simply not drinking enough fluids can lower blood volume.
3. People taking certain medications
Some blood pressure medicines, diuretics, and other drugs can make blood pressure drop when standing.
4. People with diabetes
Long-term diabetes can damage nerves that help control blood pressure.
5. People with certain heart conditions
Some heart problems can make it harder for the body to maintain blood pressure when standing.
6. People with nervous system disorders
Conditions affecting the autonomic nervous system can interfere with blood pressure regulation.
7. People who have been resting in bed for a long time
Prolonged bed rest can make it harder for the body to adjust to standing.
8. People with significant blood loss or anemia
Reduced blood volume or low oxygen-carrying capacity can contribute to dizziness and fainting.
What Can Help?
• Stand up slowly, especially after lying down.
• Stay adequately hydrated unless your doctor has told you to restrict fluids.
• Avoid standing still for long periods if it triggers symptoms.
• Sit or lie down immediately if you feel faint.
• Review your medications with a healthcare professional if symptoms started after taking a new medicine.
🚨 When Should You Get Checked?
If you frequently feel dizzy or faint after standing, don't simply assume it is normal.
Get medically assessed, especially if you actually faint or have chest pain, shortness of breath, an irregular heartbeat, or neurological symptoms.
Feeling dizzy once after standing up quickly can happen to anyone.
But repeated dizziness or fainting after standing deserves medical attention.
Find out why your blood pressure is dropping.
Share this so more people can learn.
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