Drug Effects on Vestibular Testing

Timothy C. Hain, MD• Page last modified: April 5, 2014Return to testing index

As a general rule, sedatives decrease vestibular responses such as measured with the ENG or Rotatory chair test, and stimulants increase vestibular responses.   The mechanism for these changes seems to be alertness - -in other words, if the vestibular tester can keep their subjects very awake, these drugs may not matter.

VEMP testing is probably the only vestibular test that is unaffected by drugs. (Vanspauwen, 2011) or cooperation.



Recreational drugs.

Common drugs that have little or no known effect on vestibular function

see also: Instructions.html