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What are some causes of dizzy spells?

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Quick Answer

Dizzy spells may be caused by motion sickness, the side effects of medication, inner ear disturbances, an infection in the body or injury, explains Mayo Clinic. Those with underlying health conditions such as vertigo or poor circulation may also experience dizzy spells.

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Full Answer

Dizzy spells can also occur in individuals suffering from allergies, anxiety, stress, dehydration, and flu or colds, according to WebMD. The use of alcohol, illegal drugs or tobacco can also trigger a dizzy spell. People who experience rapid and deep breathing, known as hyperventilation, often experience dizzy spells. More serious causes of dizzy spells include excessive bleeding, a drop in blood pressure or an abnormal heart rhythm. Individuals should seek immediate medical attention when experiencing excessive bleeding and symptoms of heart problems.

People who suffer from migraines may experience dizzy spells, in addition to those with viral infections, Meniere's disease and vertigo, according to Mayo Clinic. Vertigo is a condition that causes people to experience a false sense of moving or spinning. These episodes occur when people rapidly move their heads, turn over in bed or sit up quickly.

Neurological conditions such as multiple sclerosis or Parkinson's disease can cause a progressive loss of balance and dizziness, explains Mayo Clinic. Certain anxiety disorders, low iron levels and low blood sugar also cause people to feel off balance and dizzy.

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