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Pre-Test Instructions for VNG Examination

To ensure a successful examination, it is crucial to provide the patient with the following instructions in advance:

  1. Dress comfortably.
  2. Avoid using mascara or excessive makeup around the eyes.
  3. Continue taking medications for heart conditions, diabetes, hypertension, and anticonvulsants.
  4. Refrain from consuming coffee, tea, cola, or any other caffeinated beverage within 24 hours of the test.
  5. Abstain from eating or smoking for at least 3 hours before the test.

Additionally, alcoholic beverages and the following medications should not be taken for a minimum of 48 hours prior to the test: antiemetics, antivertiginous drugs, antihistamines, aspirin, barbiturates, quinine, sedatives, tranquilizers, and stimulants.

During the administration of various tests, the patient should avoid chewing, moving the muscles of the forehead and cheeks, and tilting the head to prevent accidental displacements of the goggles relative to the eyes.

* The content has undergone a slight revision by the Academia editorial team. 

Dr Enrico Armato

Enrico Armato

ENT physician

Enrico Armato was ENT medical director at ULSS3 Veneto Region. He has over 35 years of experience as an ENT specialist, with a focus on neck surgery. His true passion is otoneurology. For many years, he has been interested in the functional assessment of vertiginous patients. He is author of the book 'The Video Head Impulse Test - Theoretical and practical aspects' and co-author of numerous articles in national and international literature. He is also a contract professor with the University of Padua, Department of Neuroscience, Degree Course in Audiometric Techniques. Enrico has been collaborating with Inventis for several years and he is a reference figure for everything related to the vestibular world.


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