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Definition

Vertigo is a sensation or illusion of movement in which a person senses the self to be revolving in space (subjective vertigo) or having their surrounding environment rotating or spinning (objective vertigo) when actually stationary.

The term is similar to, but not identical to, dizziness which is a feeling of lightheadedness or being outside one's own body along with a sensation of turning.

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Vertigo can be a sign of an disorder of the inner ear or head injury. It may be accompanied by dizziness, nausea, imbalance, fuzzy vision or hearing problems.

Many specific types of vertigo are known; see Further Reading below for more detailed information.

SDS Relevance

This term usually appears on a Safety Data Sheet (SDS) as a symptom of exposure in Section 11 (toxicological information). Vertigo is a symptom of many conditions, including exposure to certain chemicals. If you have been inhaling chemicals and get a feeling of vertigo, remove yourself to fresh air and seek assistance. Check the SDS to see if vertigo is a known symptom of exposure; if so, be certain to use personal protective equipment (PPE) and/or a fume hood when dealing with that chemical!

Further Reading

• Vertigo-associated Disorders at the NIH's MedLinePlus Medical Encyclopedia.
• Dizziness and Vertigo at the Merck Manual Professional Version.
• The Vestibular Disorders Association (VEDA)
• A Return to Work Program for an Employee With Resolving Vertigo from Workplace Health & Safety 2017, 65(1), 4-8.
• Patient education: Vertigo (Beyond the Basics) at UpToDate.

See also: nausea, prostration.

Additional definitions from Google and OneLook.

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