Overview#
Dizziness is a broad term that patients use to describe several sensations: lightheadedness (feeling faint or woozy), vertigo (a spinning sensation), unsteadiness (feeling off-balance), or presyncope (feeling like you might pass out). It is one of the most common complaints in Indian outpatient clinics, affecting people of all ages.
Understanding the type of dizziness is key to identifying the cause. Vertigo usually points to inner-ear problems, lightheadedness often relates to blood pressure or blood sugar issues, and unsteadiness may indicate neurological causes.
Common Causes#
- Benign Paroxysmal Positional Vertigo (BPPV) — the most common cause of vertigo; brief spinning triggered by head position changes (rolling over in bed, looking up). Caused by displaced crystals in the inner ear.
- Low blood pressure (orthostatic hypotension) — dizziness on standing, common in elderly patients and those on blood pressure medications.
- Anaemia — low haemoglobin reduces oxygen delivery to the brain, causing lightheadedness. Very common in Indian women.
- Dehydration / heat exhaustion — especially during Indian summers; causes dizziness, weakness, and sometimes fainting.
- Low blood sugar (hypoglycaemia) — in diabetics on medication or people who skip meals.
- Vestibular neuritis — viral infection of the balance nerve causing sudden, severe vertigo lasting days.
- Anxiety / hyperventilation — rapid breathing washes out CO₂, causing dizziness, tingling, and a floating sensation.
Associated Symptoms#
Dizziness may be accompanied by nausea, vomiting, sweating, ringing in the ears (tinnitus), hearing loss, blurred vision, palpitations, fainting, unsteady gait, or headache.
Home Remedies & Self-Care#
- If feeling dizzy, sit or lie down immediately to prevent falls.
- Stay well-hydrated — drink water, ORS, or coconut water regularly.
- Rise slowly from sitting or lying positions to avoid orthostatic dizziness.
- For BPPV, the Epley manoeuvre (a specific set of head movements) can be performed by a doctor or physiotherapist to reposition inner-ear crystals.
- Eat regular meals — do not skip breakfast or fast for prolonged periods without medical guidance.
- Reduce caffeine and salt intake if you have inner-ear-related dizziness.
When It's Serious#
Seek emergency care if dizziness is accompanied by:
- Sudden severe headache, slurred speech, facial drooping, or limb weakness — signs of a stroke.
- Loss of consciousness (fainting / syncope).
- Chest pain or rapid, irregular heartbeat.
- Double vision or sudden hearing loss.
- Persistent vomiting with inability to keep fluids down.
- Dizziness after a head injury.
Diagnosis & Tests#
Your doctor may recommend:
- Complete Blood Count (CBC) — to check for anaemia.
- Blood sugar (fasting and post-prandial) — to detect hypoglycaemia or diabetes.
- Blood pressure measurement (lying and standing) — to detect orthostatic hypotension.
- Thyroid Profile — thyroid disorders can cause dizziness.
- ECG — to check for arrhythmias.
- Dix-Hallpike test — a bedside clinical test for BPPV.
- Audiometry — hearing test if Meniere's disease is suspected.
- MRI brain — if stroke or neurological cause is suspected.
When to See a Doctor#
See a doctor if dizziness is recurrent, severe, lasted more than a few days, caused a fall, or is accompanied by neurological symptoms. Most causes of dizziness are treatable once correctly diagnosed.