Table 1.

Anamnesis questions.

General information: name, age, gender, ethnicity, occupation, monthly income, educational level
Unilateral or bilateral loss?
Previous nasal surgeries performed
Personal history
Smoker or ex-smoker? How many cigarettes a day?
Do you have difficulty feeling the taste of things?
Current medications
Did your loss begin after medication use?
Exposure to toxic agents to the olfactory system (aminoglycosides, alcohol, formaldehyde, inhalation drugs, sulfur dioxide, carbon monoxide, acrylates, and methacrylates)
Did your loss begin after a cold or the flu?
If it begined after a cold or flu, how many days after did it begin?
History of head trauma?
Did you loose your sense of smell after a trauma to the head?
Previous nasal disease diagnosed by a physician?
Neurological diseases: Parkinson's, Alzheimer's, epilepsy, stroke, severe memory disorder.
Previous treatment of olfactory disorder?
Olfactory symptoms followed by seizure?
Duration or alteration of olfactory loss