Basics

• Dizziness is a sensation of lightheadedness, unsteadiness, or spinning feeling, often accompanied by a feeling of faintness.

Common causes

• Inner ear irritation.

• Low blood pressure.

• Dehydration or low blood sugar.

• Anxiety or stress.

• Certain medications.

When it's okay to monitor symptoms

• If dizziness related to a specific trigger like standing too long or not drinking enough fluids.

• When it resolves with rest or hydration.

When to talk to a doctor

• Persistent or recurrent episodes of dizziness.

• Dizziness with room spinning, vomiting, ringing in the ears.

• Dizziness that starts after taking a new medication.

When to seek emergency care

• Sudden and severe dizziness, especially if accompanied by difficulty speaking, difficulty swallowing, double vision or weakness.

• Dizziness after a significant head injury or fall.

• Dizziness severe enough to be unable to walk or with fainting.

Home remedies and over-the-counter medications

• Stay hydrated to prevent dehydration.

• Avoid sudden changes in position.

• Over-the-counter medications for motion sickness or vertigo.