Why do I feel dizzy when I stand up?

Dizziness on standing — orthostatic hypotension — occurs when blood pressure drops transiently as you move from lying or sitting to upright. Normally the body rapidly adjusts blood pressure to maintain cerebral perfusion; in orthostatic hypotension this adjustment is delayed or insufficient, causing a brief reduction in blood flow to the brain. It is more common in older adults, those who are dehydrated, and people taking blood pressure medications.

Can holistic approaches help with orthostatic hypotension?

Yes, several lifestyle and complementary approaches have meaningful evidence. Adequate hydration, increased dietary salt intake (where medically appropriate), physical counter-manoeuvres (crossing the legs, tensing the calf muscles before standing), compression stockings, and gradual positional changes are first-line strategies. Nutritional assessment for deficiencies, and adaptogenic herbs that support adrenal and circulatory function, may be explored alongside medical review.

What medical conditions cause orthostatic hypotension?

Common causes include dehydration, prolonged bed rest, diabetes-related autonomic neuropathy, Parkinson's disease, multiple system atrophy, adrenal insufficiency, and heart conditions. Many medications — including blood pressure drugs, diuretics, antidepressants, and alpha-blockers — can also cause or worsen it. Establishing the underlying cause guides the most appropriate management approach.

When should I see a doctor about dizzy spells on standing?

Seek medical assessment if dizziness on standing is frequent, leading to falls or near-fainting, accompanied by prolonged loss of consciousness, or is a new and unexplained symptom. If you are taking blood pressure medications and experiencing this regularly, your prescriber should review your dosage. Isolated occasional light-headedness when standing quickly is common and usually benign, but persistent or worsening symptoms warrant investigation.

Cardiovascularmoderate Risk

Orthostatic hypotension

Orthostatic hypotension is a drop in blood pressure upon standing that causes dizziness, lightheadedness, or fainting. Hydration strategies, dietary salt, compression therapy, and lifestyle adjustments are first-line app

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Reviewed by Dr. Ian Henderson · Microbiobial Health & Medicine26 March 2026Research-supported

Quick answer

Do any of these feel familiar?

The most recognisable experience of orthostatic hypotension is a sudden rush of dizziness or light-headedness when standing up — particularly after lying down or sitting for a while
Some people briefly lose their vision, experience a greying-out, or feel their legs buckle
Rapid heart rate, nausea, and a general shakiness are common accompanying sensations
Many people feel fine once they've been standing for a minute or two, which can make the condition feel unpredictable and anxiety-inducing
Falls and near-falls are a particular concern for older adults

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