Vertigo is the sensation that you or the room around you is spinning, even though nothing is actually moving
Vertigo is not dizziness in general — it is a specific type of dizziness where you feel like you are rotating or the world is rotating around you. You might feel like you are on a spinning chair, or like the floor is tilting beneath you. The sensation can last a few seconds or several hours, and it often comes with nausea, balance problems, or difficulty focusing your eyes.
The key difference is that vertigo involves a false sense of motion. Regular dizziness might feel like lightheadedness or faintness. Vertigo feels like movement. This distinction matters because it points doctors toward the actual cause — usually something in your inner ear or the part of your brain that controls balance.
Key Takeaways
- Vertigo is the feeling that you or your surroundings are spinning, caused by a problem with your balance system rather than low blood pressure or fatigue.
- Your inner ear contains fluid and sensors that tell your brain which way is up and how fast you are moving — when these send wrong signals, vertigo happens.
- Vertigo can come from inner ear problems like benign paroxysmal positional vertigo (BPPV), infections, or from issues in the brain or nervous system.
- A doctor can often figure out what is causing vertigo with a physical exam and simple tests that watch how your eyes move when your head turns.
How your balance system works
Your body keeps you balanced using three main sources of information: your inner ear, your eyes, and sensors in your muscles and joints. Your inner ear contains a fluid-filled structure called the labyrinth, which has two jobs. One part senses the position of your head in space — whether you are upright, tilted, or lying down. The other part senses motion and acceleration, like when you turn your head or move forward.
When you move, the fluid in your inner ear sloshes around and triggers tiny hair cells that send signals to your brain about which direction you are moving and how fast. Your brain combines this information with what your eyes see and what your muscles feel, and uses all three to figure out where you are in space and how to stay balanced.
Vertigo happens when these signals get out of sync. Your inner ear might send a signal that says you are spinning, but your eyes see that nothing is moving. Your brain gets conflicting information and interprets it as motion — so you feel like you are spinning even though you are standing still.
Common causes of vertigo
Benign paroxysmal positional vertigo (BPPV) is the most common cause. In BPPV, tiny crystals of calcium carbonate in your inner ear come loose and float into the fluid-filled canals where they do not belong. When you move your head — turning over in bed, looking up, or bending down — these crystals shift and trigger the hair cells, sending false motion signals to your brain. BPPV attacks usually last less than a minute but can be intense.
Vestibular neuritis and labyrinthitis are infections or inflammation of the inner ear or the nerve that connects it to your brain. These usually follow a viral illness and can cause vertigo that lasts days or weeks. Labyrinthitis often includes hearing loss or tinnitus (ringing in the ears) along with the spinning sensation.
Ménière's disease involves a buildup of fluid in the inner ear. It causes episodes of vertigo that can last hours, along with hearing loss, tinnitus, and a feeling of fullness in the affected ear. The cause is not fully understood, but it tends to come and go over time.
Vertigo can also come from the brain or nervous system — for example, after a stroke, from a migraine, or from multiple sclerosis. It can develop after a head injury or from certain medications. Some people experience vertigo as part of anxiety or panic attacks, though this is less common than inner ear causes.
How doctors figure out what is causing your vertigo
Your doctor will start by asking when the vertigo started, what triggers it, how long episodes last, and what other symptoms you have. They will ask whether you feel like you are spinning or whether the room feels like it is spinning — the answer can point toward different causes.
The Dix-Hallpike maneuver is a simple physical test. Your doctor will have you sit on an exam table, turn your head to one side, then quickly lie back with your head hanging off the edge. If you have BPPV, this position will trigger vertigo and your eyes will move in a specific pattern. Your doctor watches these eye movements to confirm the diagnosis.
Your doctor may also perform the Romberg test, where you stand with your feet together and eyes closed to see if you lose your balance. They might ask you to follow their finger with your eyes while they move it in different directions, or to walk in a straight line. These tests show whether your balance system is working normally.
If your doctor suspects an inner ear infection, a brain problem, or another serious cause, they may order an MRI or CT scan. Blood tests or hearing tests might be needed depending on your symptoms. Most cases of vertigo, though, can be diagnosed from the history and physical exam alone.
The difference between vertigo and other types of dizziness
Dizziness is a broad term that covers several different sensations. Lightheadedness feels like you might faint — your vision might dim, you feel weak, and the world does not seem to be moving. This usually comes from low blood pressure, dehydration, or not enough blood reaching your brain. Disequilibrium is a loss of balance without any spinning sensation — you feel unsteady on your feet, like you might fall, but the room is not moving. This often happens with inner ear problems, neurological conditions, or medication side effects.
Vertigo is different because it involves a clear sense of motion — either you are moving or the world is moving. This spinning sensation is what makes vertigo distinctive and what helps doctors narrow down the cause. If you tell your doctor "the room is spinning" rather than "I feel faint" or "I feel unsteady," you are giving them crucial information.
What happens after a vertigo diagnosis
Treatment depends on the cause. For BPPV, a doctor or physical therapist can perform a series of head movements called the Epley maneuver, which repositions the loose crystals back where they belong. This works for most people in one or two sessions. For vestibular neuritis or labyrinthitis, treatment focuses on managing symptoms while the infection clears — this might include medication to reduce nausea and balance exercises to help your brain adjust.
If you have Ménière's disease, treatment might include dietary changes (reducing salt and caffeine), diuretic medications, or injections into the inner ear. For vertigo caused by migraines or neurological conditions, treating the underlying condition usually helps the vertigo improve.
Most people recover well from vertigo, especially when the cause is identified and treated. Even without treatment, many cases of BPPV and vestibular neuritis improve on their own over weeks or months as your brain learns to compensate for the faulty signals.
Frequently Asked Questions
Is vertigo dangerous?
Vertigo itself is not dangerous, but the loss of balance it causes can be. If you have severe vertigo, you could fall and injure yourself. The underlying cause matters — some causes like BPPV are harmless, while others like stroke require urgent treatment. If vertigo comes on suddenly with weakness, slurred speech, or severe headache, seek emergency care.
Can vertigo go away on its own?
Yes, many cases improve without treatment. BPPV often resolves within weeks as the loose crystals settle. Vestibular neuritis usually improves over several weeks to months as your brain adapts. However, seeing a doctor helps identify the cause and speeds recovery — some treatments like the Epley maneuver work quickly.
What should I do if I feel vertigo coming on?
Sit or lie down immediately to prevent falling. Keep your eyes focused on a fixed point if possible. Avoid sudden head movements. If the vertigo is severe, lasts longer than a few hours, or comes with other symptoms like weakness or vision changes, contact a doctor or go to an urgent care clinic.
Can anxiety cause vertigo?
Anxiety can cause dizziness and lightheadedness, but true vertigo — the spinning sensation — is usually from a physical problem with your balance system. That said, anxiety can make vertigo worse or trigger panic attacks when you feel dizzy. If you have both anxiety and vertigo, treating both conditions helps.