An attack can be a combination of severe dizziness or vertigo, tinnitus and hearing loss lasting several hours.

Some months ago I took care of a young woman, a doctor's wife, who for months had been unable to walk because of severe dizziness.

Symptoms of overdose may include: fainting, very slow heartbeat, severe dizziness.

After taking for less than 2 months I developed severe dizziness to the point of passing out.

If your prescribed dose is more than 1 spray at a time, you may have severe dizziness.

Comment: dizziness so severe I could not drive or function normally.

Seek immediate medical attention if any of these rare but very serious side effects occur: chest pain, severe dizziness, fainting.

Call your doctor if you have severe dizziness or feel like you might pass out.

Do you have severe dizziness that makes it hard to stand or walk?

Overdose symptoms may include severe dizziness, increased heart rate, and warmth or tingly feeling.