Vertigo is the sensation that you or your surroundings are spinning, even when you're standing still

Vertigo is not dizziness or lightheadedness. It's a specific sensation where your brain receives conflicting signals about your body's position and movement in space. You might feel like the room is rotating around you, or that you're rotating inside a stationary room. Some people describe it as the floor tilting or the world tilting sideways. The sensation is real—your inner ear and brain are genuinely confused about which way is up.

The confusion happens because your sense of balance comes from three separate systems working together: your inner ear (which detects motion and gravity), your eyes (which track where you are in space), and your body's position sensors in muscles and joints. When these systems disagree, your brain interprets the mismatch as spinning motion, even though nothing is actually moving.

Vertigo episodes can last seconds, minutes, hours, or days depending on the cause. Some people feel it only when they move their head in a certain direction. Others feel it constantly until the underlying problem resolves. The spinning sensation is often accompanied by nausea, vomiting, balance problems, or difficulty focusing your eyes.

Key Takeaways

  • Vertigo is a spinning sensation caused by your brain receiving mixed signals about balance and position, not a general feeling of dizziness.
  • Your inner ear, eyes, and body position sensors must work together for balance—when they disagree, vertigo results.
  • The most common cause is benign paroxysmal positional vertigo (BPPV), which happens when calcium crystals in your inner ear shift out of place.
  • Infections, inflammation, head injuries, and certain medications can trigger vertigo, and some causes resolve on their own while others need treatment.
  • Seeing a doctor is important because vertigo can signal anything from a minor inner ear problem to a serious neurological condition.

How your inner ear controls balance

Your inner ear contains a fluid-filled structure called the labyrinth. Inside the labyrinth are three semicircular canals arranged at different angles, plus two small pouches called the utricle and saccule. These structures are lined with sensory cells that detect motion and the pull of gravity.

When you move your head, the fluid inside the semicircular canals sloshes around and bends tiny hair-like sensors. Those sensors send signals to your brain about which direction your head is moving and how fast. The utricle and saccule detect whether your head is upright, tilted, or moving up and down. Your brain uses all this information to figure out where your body is in space and how to keep you balanced.

When something goes wrong with these structures—whether the fluid moves abnormally, the sensors get damaged, or calcium crystals form where they shouldn't—your inner ear sends incorrect signals. Your brain receives a message that you're spinning when you're actually still, or that you're moving in one direction when you're moving in another. That mismatch is vertigo.

Benign paroxysmal positional vertigo (BPPV)

BPPV is the most common cause of vertigo. It happens when tiny calcium carbonate crystals (called otoliths or "ear rocks") come loose inside your inner ear and float into the semicircular canals where they don't belong. When you move your head—turning over in bed, looking up, or bending down—these crystals shift and trigger the sensory cells, sending false spinning signals to your brain.

BPPV typically causes brief episodes of intense spinning that last from a few seconds to a few minutes. The spinning usually happens only when you move your head in a specific direction. You might feel fine sitting still but dizzy the moment you roll over in bed or look up at a shelf. BPPV is not dangerous and does not cause permanent damage, but it can be disorienting and increase fall risk.

The cause of BPPV is often unknown, but it can follow a head injury, happen after prolonged bed rest, or occur as you age and the inner ear structures naturally change. BPPV sometimes resolves on its own as the crystals settle back into place, but specific head movements or physical therapy can speed recovery.

Infections and inflammation of the inner ear

Vestibulitis and labyrinthitis are infections or inflammation of the inner ear structures. Vestibulitis affects the vestibular nerve (which carries balance signals from the inner ear to the brain), while labyrinthitis affects the labyrinth itself. Both can cause vertigo, often along with hearing loss or ringing in the ear.

These conditions usually follow a viral infection—a cold, flu, or other respiratory virus—though bacterial infections can also cause them. The infection triggers inflammation that disrupts the normal signals from your inner ear. Vertigo from vestibulitis or labyrinthitis tends to be constant rather than positional, and it often comes on suddenly and severely. You might feel unable to walk straight or keep your eyes focused.

Viral inner ear infections often improve on their own over days or weeks as the inflammation subsides, though some people experience lingering balance problems for months. Bacterial infections are more serious and usually require antibiotics. A doctor can determine whether the infection is viral or bacterial and recommend appropriate treatment.

Head injuries and other neurological causes

A blow to the head can damage the inner ear structures or the nerves that carry balance signals to the brain, triggering vertigo that may start immediately or develop over hours. Head injuries can also cause bleeding or swelling inside the inner ear or brain that disrupts balance signals. Vertigo from head injury may be temporary or long-lasting depending on the severity of the damage.

Meniere's disease is a chronic condition where fluid builds up abnormally inside the inner ear, causing episodes of severe vertigo, hearing loss, tinnitus (ringing in the ear), and a feeling of fullness in the affected ear. Episodes can last hours and are often unpredictable. The cause is not fully understood, but treatment focuses on managing fluid buildup through diet changes, medications, or in some cases surgery.

Rarely, vertigo signals a serious neurological problem such as a stroke, brain tumor, or multiple sclerosis. Vertigo from these causes usually comes with other symptoms like weakness, numbness, difficulty speaking, or severe headache. If vertigo appears suddenly alongside any of these symptoms, seek immediate medical attention.

Medications and other triggers

Certain medications can cause vertigo as a side effect, including some antibiotics (particularly aminoglycosides), blood pressure medications, sedatives, and chemotherapy drugs. If vertigo starts shortly after you begin a new medication, tell your doctor—the medication may need to be changed or the dose adjusted.

Rapid changes in air pressure (from flying or scuba diving) can temporarily disrupt inner ear fluid balance and trigger vertigo. Dehydration, low blood sugar, and anxiety can also cause dizziness that feels like spinning. Alcohol affects the inner ear fluid and can cause vertigo, especially if you drink heavily or suddenly stop drinking after prolonged use.

Migraine headaches can trigger vertigo even without a typical headache—some people experience spinning sensations as their only migraine symptom. Cervical spine problems (arthritis or injury in the neck) can sometimes cause vertigo because nerves in the neck send position information to the brain. Identifying which trigger applies to you helps determine what treatment will work.

When to see a doctor about vertigo

Contact a doctor if vertigo is new, severe, or lasts longer than a few hours. Also seek care if vertigo is accompanied by fever, hearing loss, weakness, numbness, difficulty speaking, chest pain, or severe headache—these can signal a serious condition that needs prompt evaluation.

A doctor will ask detailed questions about when the vertigo started, what movements trigger it, how long episodes last, and what other symptoms you have. They may perform specific head movement tests (like the Dix-Hallpike test) to see if they can reproduce the spinning sensation and identify the cause. Depending on what they find, they might order imaging (MRI or CT scan), hearing tests, or blood work.

Many cases of vertigo improve without specific treatment as the underlying cause resolves. Others respond well to physical therapy exercises that retrain your balance system. Some require medication to reduce nausea or inflammation. A few need more specialized treatment. Knowing the cause helps your doctor recommend the right approach for your situation.

Frequently Asked Questions

Is vertigo the same as being dizzy?

No. Dizziness is a general term for feeling lightheaded, unsteady, or faint. Vertigo is a specific sensation of spinning or rotation. You can be dizzy without experiencing vertigo, and vertigo is a particular type of dizziness. The distinction matters because different causes produce each sensation, and treatment depends on which one you have.

Can vertigo cause permanent damage?

Most causes of vertigo do not cause permanent damage to your inner ear or brain. BPPV, viral infections, and medication side effects usually resolve without lasting harm. However, some conditions like untreated bacterial infections or repeated severe head injuries can cause permanent hearing loss or balance problems. This is another reason to see a doctor—early treatment can prevent complications.

Why does vertigo get worse when I move my head?

Movement triggers vertigo because your inner ear senses the motion and sends signals to your brain. If your inner ear is damaged or inflamed, or if crystals are floating in the wrong place, that motion produces false spinning signals. Staying still reduces the signals, which is why people with vertigo often feel better when they stop moving. This is normal and not a sign of something more serious.

Can anxiety cause vertigo?

Anxiety can cause dizziness and lightheadedness, but true vertigo (the spinning sensation) is usually caused by a physical problem with your inner ear or balance system. However, anxiety can make existing vertigo feel worse or trigger panic that worsens symptoms. If you have both anxiety and vertigo, treating both may help you feel better.

How long does vertigo usually last?

Duration depends on the cause. BPPV episodes may last seconds to minutes. Viral inner ear infections can cause vertigo for days or weeks. Medication side effects may resolve when you stop the drug. Meniere's disease episodes can last hours. Some people recover fully in weeks, while others experience lingering balance problems for months. A doctor can give you a better timeline once they know what's causing your vertigo.