Benign paroxysmal positional vertigo causes sudden dizziness

Benign paroxysmal positional vertigo (BPPV) is the most common cause of vertigo in adults, particularly among older populations. The condition is characterized by brief episodes of dizziness, often lasting less than a minute, triggered by specific head movements such as turning in bed, standing up suddenly, or tilting the head back.

The sensation is caused by small calcium carbonate crystals within the inner ear's semicircular canals becoming displaced. When these crystals move with gravity during head changes, they send conflicting signals to the brain, creating the illusion of spinning. While the term 'benign' refers to the origin of the condition, the resulting dizziness poses serious risks for older individuals, such as falls and hip fractures.

It is critical to distinguish BPPV from other types of dizziness. Symptoms like persistent vertigo, hearing loss, tinnitus, intense headaches, double vision, or numbness require immediate medical attention, as they may indicate different underlying issues such as blood pressure changes, anemia, or cardiac problems. BPPV is typically treated through manual maneuvers performed in a clinical setting.