What is the difference between dizziness and vertigo in seniors?

Dizziness and vertigo are terms often used interchangeably, but they describe different sensations, especially in seniors, where understanding the distinction is crucial for proper diagnosis and treatment.

**Dizziness** is a broad term that refers to a range of sensations such as feeling lightheaded, faint, weak, or unsteady. It can feel like you might pass out, or that your balance is off, but it does not necessarily involve a sensation of movement. Seniors experiencing dizziness might describe it as feeling woozy, disoriented, or as if their head is heavy or foggy. This sensation can be caused by many factors including low blood pressure, dehydration, medication side effects, heart problems, or neurological issues. It often relates to a general sense of imbalance or instability without the specific feeling that the environment or the person is moving.

**Vertigo**, on the other hand, is a specific type of dizziness characterized by the sensation that you or your surroundings are spinning or moving when there is no actual movement. It is a false sense of motion, often described as a spinning or whirling feeling. Vertigo can be very disorienting and is frequently accompanied by nausea, vomiting, sweating, and difficulty walking or standing. In seniors, vertigo is commonly linked to problems in the vestibular system—the inner ear and brain structures that control balance and spatial orientation. Conditions like benign paroxysmal positional vertigo (BPPV), vestibular neuritis, or Meniere’s disease are typical causes. Vertigo episodes can be triggered or worsened by changes in head position.

The key difference lies in the nature of the sensation: dizziness is a general feeling of imbalance or lightheadedness without a spinning sensation, while vertigo specifically involves the illusion of movement or spinning. Vertigo is a subset of dizziness but with a distinct cause and symptom profile.

In seniors, these distinctions are important because the causes and implications can differ significantly. Dizziness might signal cardiovascular issues, medication effects, or dehydration, all of which require different management than vertigo, which often points to vestibular disorders or neurological problems. Moreover, prolonged or severe vertigo in older adults can increase the risk of falls and cognitive impairment due to the brain’s struggle to compensate for balance disturbances.

Symptoms accompanying vertigo often include nausea, vomiting, headache, sensitivity to light or sound, and sometimes hearing changes or tinnitus. Dizziness may be accompanied by weakness, faintness, or a feeling of being about to pass out but usually lacks the spinning sensation.

Treatment approaches also differ. Vertigo caused by BPPV, for example, can often be treated with specific head maneuvers to reposition inner ear particles, while dizziness related to blood pressure or medication might require adjustments in medication or hydration. Vestibular rehabilitation therapy is commonly used for vertigo to help the brain adapt and reduce symptoms over time.

In summary, while both dizziness and vertigo affect balance and spatial orientation, dizziness is a general term for feeling faint or unsteady without movement sensation, and vertigo is a specific sensation of spinning or motion. Recognizing these differences in seniors is vital for accurate diagnosis, effective treatment, and preventing complications like falls or cognitive decline.