What is orthostatic dizziness?
In short Light-headedness, dimming vision, or unsteadiness within minutes of standing. Often due to a drop in blood pressure when moving from lying/sitting to standing.
Typical definition: fall in systolic ≥ 20 mmHg or diastolic ≥ 10 mmHg within 3 minutes of standing (or during tilt-table testing).
Why it matters: Raises fall risk and can signal dehydration, medication effects, or nervous system conditions — all addressable once identified.
Urgent warning signs
- Fainting, head injury, chest pain, palpitations, or shortness of breath
- New weakness, trouble speaking, or vision loss
- Severe dehydration signs: very little urine, confusion, extreme thirst
- Black/bloody stools, fever with severe dizziness
These can be emergencies — seek care immediately.
Common causes & triggers
More common
- Dehydration or low salt intake
- Blood pressure medicines (especially dose changes)
- Prolonged bed rest, recent illness, hot showers or weather
- Post-meal dips (post-prandial hypotension)
Other contributors
- Diabetes-related nerve changes, Parkinson’s disease
- Anemia, thyroid or adrenal issues
- Alcohol, dehydration from diarrhea/vomiting
Rise-slow routine & counter-moves
Rise-slow (do this every time)
- Sit at the bed’s edge for 30–60 seconds; ankle pumps and deep breaths
- Stand up slowly; hold a stable surface, pause for 3 slow breaths
- If woozy, sit back down; repeat ankle/calf pumps and try again
Quick counter-maneuvers
- Calf raises, leg-cross & squeeze, buttock clench, or hand-grip for 30 seconds
- Wear waist-high compression stockings (20–30 mmHg) or an abdominal binder if advised
Hydration & salt
- Drink regularly through the day; extra caution in hot weather
- A morning glass of water before standing may help
- Small, frequent meals to avoid big post-meal dips
Medicines to review
| Group | Examples | Notes |
|---|---|---|
| BP-lowering | Diuretics, alpha-blockers, nitrates, some beta-blockers | May need timing/dose review |
| Neuro/Psych | Parkinson’s meds, tricyclics, antipsychotics, sedation meds | Can worsen standing BP drop |
| Other | Alcohol, high-dose sildenafil/tadalafil | Discuss safe use and timing |
Never stop medicines on your own — ask for a review and a stepwise plan.
How it’s checked
Orthostatic vitals
- Measure BP/heart rate after 5 minutes lying, then at 1 and 3 minutes standing
- Some clinics use tilt-table testing if unclear
Other tests (as needed)
- Blood tests: electrolytes, kidney function, blood count, B12/thyroid if indicated
- ECG; medication review; hydration assessment
Treatment options
Lifestyle first
- Rise-slow routine, counter-maneuvers, compression garments
- Spread fluids through the day; cautious salt per plan
- Smaller meals; limit alcohol and hot environments
Medicines (if needed)
- Midodrine (raises standing BP)
- Fludrocortisone (expands volume)
- Droxidopa in select cases
Used when non-drug steps aren’t enough and after careful evaluation.
Home safety & falls
- Use night lights; clear pathways; avoid loose rugs
- Sturdy, non-slip footwear; handrails for stairs and bathroom grab bars
- Keep frequently used items at waist height
If you feel faint
- Sit or lie down immediately; elevate legs if possible
- Try counter-maneuvers; sip water once steady
- Report any falls or near-falls to your clinician
When to contact your clinician
- Dizziness persists despite rise-slow, hydration, and compression
- New medicines started or doses changed with worse symptoms
- Any fainting, fall, head injury, or red-flag symptom
- Morning episodes becoming frequent or affecting daily activities
Quick answers
Is this the same as vertigo?
No. Orthostatic dizziness is a blood-pressure drop on standing, not a spinning sensation from the inner ear.
Does coffee help or hurt?
Large amounts can cause dehydration in some. Moderate intake is usually fine; avoid near bedtime.
Are compression socks enough?
They help, especially waist-high styles. Best results come with the rise-slow routine and medication review.
Why worse after meals?
Blood shifts to the gut (post-prandial hypotension). Try smaller, more frequent meals and avoid very hot rooms after eating.
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