Dizziness vs. Vertigo: How to Tell Them Apart
Dizziness and Vertigo are often confused but have distinct causes and clinical meanings. Learn the key differences, what each indicates, and when to seek urgent care.
Dizziness is a broad term for lightheadedness, unsteadiness, or presyncope, while vertigo is a specific false sense of rotational movement (spinning). Distinguishing them is clinically important because they point to different diagnoses and management pathways.
Clinical Context
Vertigo implies dysfunction of the vestibular system (inner ear or central pathways), producing a definite illusion of spinning. The Dix-Hallpike test is key: positional vertigo (BPPV) is the most common cause of true vertigo. Non-vertiginous dizziness may arise from orthostatic hypotension, cardiac arrhythmia, anaemia, anxiety, or medication. Central causes of vertigo (cerebellar stroke, MS) are differentiated by additional neurological signs and direction-changing nystagmus.
Clinical Pathway
Dizziness — Symptom HubSymptom AVertigo — Symptom HubSymptom BFrequently Asked Questions
Dizziness vs. Vertigo: How to Tell Them Apart+
Dizziness is a broad term for lightheadedness, unsteadiness, or presyncope, while vertigo is a specific false sense of rotational movement (spinning). Distinguishing them is clinically important because they point to different diagnoses and management pathways.
How do I know if I have vertigo or just dizziness?+
Vertigo creates a definite sensation that the room is spinning or moving — even when you are still. Ordinary dizziness feels like lightheadedness, unsteadiness, or faintness without a rotational quality. If spinning is present, this is vertigo until proven otherwise.
What causes vertigo vs dizziness?+
Vertigo is typically caused by BPPV, vestibular neuritis, Ménière's disease, or central lesions (cerebellar stroke, MS). Non-vertiginous dizziness is caused by orthostatic hypotension, cardiac arrhythmia, anaemia, hypoglycaemia, anxiety, or medication side-effects.
When is dizziness or vertigo an emergency?+
Seek emergency care for vertigo with sudden severe headache, double vision, difficulty swallowing, unilateral weakness, or inability to walk — these suggest a cerebellar or brainstem stroke. Dizziness with chest pain, rapid heartbeat, or loss of consciousness also requires urgent evaluation.
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