Archive for ENT Investigations

Drugs not affecting skin prick tests for allergies.

  • ‚ÄčAngiotensin-Converting Enzyme (ACE) Inhibitors
  • Topical nasal steroid sprays.
  • Serotonin Reuptake Inhibitors (SNRIs)
  • Proton Pump Inhibitors (PPIs)
  • Norepinephrine Reuptake Inhibitors (SNRIs)
  • Immunosuppressants.

Stop these drugs before skin prick tests.

  • ‚ÄčFirst Generation Antihistamines
  • Second Generation Antihistamines
  • Antihistamine Nasal Sprays
  • Antihistamine Eye Drops
  • Tricyclic Antidepressants and Tranquilizers
  • Histamine2 Antihistamines (H2 Blocker)
  • Topical Corticosteroids

Skin Prick Test and Antihistamines

Stop antihistamine drugs five days before doing skin prick test for allergies.

Technetium-99 m bone scan

Temporal bone osteomyelitis.

Most sensitive indicator (increased uptake between 4 – 24 hours after injection).

Neuro-Otological Evaluation

Neuro-Otological exam involves:

  • Complete Ear Exam
  • Nystagmus Evaluation
  • Cranial Nerves
  • Romberg’s Test
  • Tandem Gait
  • Stepping Test
  • Head Thurst Test

Acoustic Rhinomanometry


Auditory Brainstem Response

Also called Brainstem Evoked Response Audiometry BERA