general term for a number of types of impairment in spatial perception and stability

Dizziness is a disability in spatial perception and stability.[1] The term dizziness is not specific:[2] it can mean vertigo, presyncope, disequilibrium,[3] or a non-specific feeling such as being drunk or funny.[4]

Vertigo, the sensation of one's surroundings are spinning around them is a common symptom of dizziness.
SpecialtyENT surgery

Dizziness is a common medical complaint, affecting 20-30% of persons.[5]

Dizziness is broken down into 4 main subtypes: vertigo (~25-50%), disequilibrium (less than ~15%), presyncope (less than ~15%) and nonspecific dizziness (~10%).[6]


  1. dizziness at Dorland's Medical Dictionary
  2. MeSH Dizziness
  3. Reeves, Alexander G.; Swenson, Rand S. (2008). "Chapter 14: Evaluation of the Dizzy Patient". Disorders of the Nervous System: A Primer. Dartmouth Medical School. Archived from the original on 2011-09-02. Retrieved 2020-03-28. Unknown parameter |chapterurl= ignored (help)
  4. Branch Jr., William T.; Barton, Jason J. S. (February 10, 2011). "Approach to the patient with dizziness". UpToDate.
  5. Karatas, Mehmet (2008). "Central vertigo and dizziness: epidemiology, differential diagnosis, and common causes". The Neurologist. 14 (6): 355–64. doi:10.1097/NRL.0b013e31817533a3. ISSN 1074-7931. PMID 19008741.
  6. Post RE, Dickerson LM (August 2010). "Dizziness: a diagnostic approach". Am Fam Physician. 82 (4): 361–8, 369. PMID 20704166.