Vertigo vs. Dizziness: What’s Really Going On in Your Brain and Inner Ear

Ever felt like the room was spinning, even though you were lying still? Or maybe you just felt lightheaded, like you might pass out? Both are common, but they’re not the same thing. Vertigo and dizziness get thrown around like synonyms, but they’re different conditions with different causes - and treating them the same way can make things worse.

Here’s the simple truth: if you’re dizzy, you might feel faint, unsteady, or off-balance. If you have vertigo, you feel like you or everything around you is spinning - even when you’re completely still. That spinning sensation? That’s your vestibular system sending wrong signals to your brain. And that’s where things get serious.

What Exactly Is Vertigo?

Vertigo isn’t just a feeling of being off. It’s a specific illusion of motion. You might feel like you’re spinning, tilting, or falling. It doesn’t go away when you close your eyes. It doesn’t stop when you sit down. That’s because it’s coming from your inner ear or brainstem - not from anxiety or stress.

The most common cause of vertigo is Benign Paroxysmal Positional Vertigo (BPPV) a condition where tiny calcium crystals in the inner ear break loose and float into the wrong part of the semicircular canals, confusing your brain about head position. It affects about 2.4% of people every year, and half of those cases happen in people over 50. You’ll notice it when you roll over in bed, look up, or bend down. It lasts seconds to minutes, then fades - but it comes back.

Other vestibular causes include Ménière’s disease a disorder of the inner ear that causes vertigo, ringing in the ear, hearing loss, and fullness, often lasting hours, and vestibular neuritis an inflammation of the nerve connecting the inner ear to the brain, usually triggered by a virus. These can last hours or days and are often accompanied by nausea and vomiting.

But not all vertigo comes from the ear. Sometimes, it’s your brain. Vestibular migraine a type of migraine that causes vertigo without a headache, often triggered by light, motion, or stress affects 1% of the population - but makes up 7-10% of all vertigo cases. It’s often mistaken for Ménière’s disease. And then there are rarer neurological causes: stroke in the brainstem, multiple sclerosis, or tumors. These are rare, but dangerous. They usually come with other red flags - like double vision, slurred speech, or sudden weakness on one side of the body.

What Exactly Is Dizziness?

Dizziness is the umbrella term. It’s the feeling of lightheadedness, floating, or being about to pass out. It’s not spinning. It’s not rotation. It’s more like your brain isn’t getting enough blood, oxygen, or balance signals.

The biggest cause? Orthostatic hypotension a drop in blood pressure when standing up, often dropping systolic pressure by 20 mmHg or more. That’s why you feel woozy when you jump out of bed too fast. It’s common in older adults and people on blood pressure meds.

Other common culprits:

• Anemia - not enough red blood cells to carry oxygen
• Hypoglycemia - low blood sugar, especially if you haven’t eaten
• Medication side effects - from blood pressure pills to antidepressants
• Dehydration - even mild
• Anxiety - hyperventilation can trigger dizziness, but it’s rarely the only cause

Here’s the kicker: 50% of older adults with dizziness have more than one cause. It’s not just one thing. It’s a mix of low blood pressure, mild anemia, and meds. That’s why treating it as "just anxiety" or "aging" doesn’t work.

How Doctors Tell Them Apart

There’s no single test that says "this is vertigo" - but there are clear signs.

If you have vertigo, your eyes will move involuntarily. That’s called nystagmus. It’s a rhythmic flickering or jerking motion - usually 2-6 times per second. Doctors use a special test called videonystagmography (VNG) to record this. It’s 95% accurate for detecting inner ear problems.

For BPPV, they’ll do the Dix-Hallpike maneuver - tilt your head back and turn it while you lie down. If you get spinning and your eyes jerk in a specific way? That’s it. And guess what? The Epley maneuver - a series of head movements - fixes it in 1-3 sessions, with 80-90% success.

For neurological vertigo, doctors look for "red flags":

• Sudden, severe vertigo with no warning
• Double vision or trouble speaking
• Weakness on one side of the body
• Loss of coordination
• New hearing loss on one side

If any of these are present, imaging - like an MRI - is needed. Only 1-2% of vertigo cases need this, but missing a stroke can be deadly.

For general dizziness, they check your blood pressure (lying and standing), do a blood test for anemia and sugar, and review your meds. No spinning? No eye jerking? Then it’s probably not vestibular.

What Treatments Actually Work

One of the biggest problems? Misdiagnosis. A 2023 survey found that 74% of people with dizziness thought they just had "general dizziness" - until they got tested.

For BPPV: The Epley maneuver works. It’s simple. It’s fast. It’s done in a clinic in 15 minutes. No drugs. No surgery. Just head movements.

For vestibular neuritis: Steroids and rest. Then, vestibular rehabilitation therapy - exercises to retrain your brain to trust your inner ear again. It takes 6-8 weeks. Most people see big improvement.

For vestibular migraine: Avoid triggers - bright lights, strong smells, stress. Some people need daily migraine preventers. But you can’t treat it like a regular headache.

For dizziness from low blood pressure: Drink more water. Get up slowly. Wear compression socks. Adjust meds if needed.

For anemia or low sugar: Fix the root cause. Iron. Diet. Monitoring.

But here’s what doesn’t work: antidepressants for "anxiety-related dizziness" when there’s real vestibular damage. Anti-nausea pills that mask symptoms without fixing the cause. And waiting it out without a proper diagnosis.

Why This Matters

Getting the right diagnosis changes everything.

At King Edward VII Hospital, patients with correctly diagnosed BPPV had an 85% recovery rate. Those misdiagnosed as "just dizzy"? Only 45% improved. That’s a 40-point gap - because one was treated with head repositioning, and the other was told to "take it easy."

And it’s not just about feeling better. It’s about safety. People with untreated dizziness are 3x more likely to fall. Falls in people over 65 are the leading cause of injury-related death. That’s not "just aging." That’s a medical problem.

There’s also a growing gap in care. Only 12% of primary care doctors feel confident diagnosing vertigo. Meanwhile, the number of people with vestibular disorders is rising - 33% of adults over 65 have dizziness, and that number is expected to grow 25% by 2030.

Specialized clinics are popping up. Vestibular rehab services have doubled since 2015. Insurance is starting to pay more for testing. But most people still wait months - sometimes years - before they get the right help.

What You Should Do

If you’re dizzy:

• Write down when it happens. After standing? After eating? After stress?
• Does your room spin? Or do you just feel faint?
• Any hearing loss? Ringing? Nausea? Double vision?
• What meds are you on?

Then go to a doctor who understands vestibular disorders - not just your regular GP. Ask for a VNG test or at least a Dix-Hallpike maneuver. If they say "it’s anxiety," ask: "Could it be BPPV or vestibular migraine?"

Don’t wait. Don’t assume it’s normal. You don’t have to live with spinning or lightheadedness. There are real, effective fixes - if you get the diagnosis right.