Letter D
Dizziness
Also known as: Light-headedness
Dizziness symptom guide: what it can mean, possible causes, and when to seek care. Educational only.
Overview
Dizziness can come from dehydration, blood pressure, the inner ear, or medicines. It is often brief, but sudden dizziness with one-sided weakness is an emergency. Do not drive while dizzy.
Possible causes
- Dehydration
- Low blood pressure
- Inner-ear problems
- Certain medicines
- Anemia
When to see a doctor
Get emergency care for dizziness with one-sided weakness, speech trouble, or chest pain.