The sudden sense of spinning or the inside of the head spinning, often caused by certain head movements.

Sit down right away if you start to feel dizzy. Don't make any moves that set off the spinning, such as tipping the head up or down.

See a healthcare professional right away if a person has vertigo with any of these symptoms:

• A new, different or bad headache.
• Seeing double or not being able to see well.
• Trouble talking.
• Weakness in the leg or arm.
• Passing out.
• Falling or trouble walking.
• Numbness or tingling.

See a healthcare professional if the vertigo:

• Is sudden or intense.
• Lasts a long time.
• Keeps coming back.