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Osmophobia in juvenile primary headaches.

E Corletto¹, L Dal Zotto, A Resos

¹Department of Paediatrics, Juvenile Headache Centre, Paediatric Neurology and Psychiatry Unit, University of Padua Medical School, Padua, Italy.

Cephalalgia : an International Journal of Headache

|May 24, 2008

Summary

Osmophobia, a sensitivity to odors, is present in 18.5% of juvenile headache sufferers. This symptom is highly specific for diagnosing migraine without aura in children.

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Area of Science:

Neurology
Pediatrics
Clinical Diagnosis

Background:

Headache disorders are common in children and adolescents.
Differentiating between migraine without aura and tension-type headache is crucial for effective management.
The role of sensory sensitivities, such as osmophobia, in pediatric headache diagnosis requires further investigation.

Purpose of the Study:

To determine the prevalence of osmophobia in young patients experiencing headaches.
To assess the diagnostic value of osmophobia in distinguishing migraine without aura from episodic tension-type headache in children.

Main Methods:

A cohort of 305 consecutive patients at a Paediatric Headache Centre was assessed.
A semistructured questionnaire was administered to 275 patients diagnosed with migraine or tension-type headache.
Data on osmophobia, phonophobia, and photophobia during headache attacks were collected and analyzed.

Main Results:

Osmophobia was reported by 18.5% of juvenile headache sufferers, significantly higher in migraine patients (25.1%) than in tension-type headache patients (8.3%).
Osmophobia demonstrated higher specificity than phonophobia or photophobia in differentiating between migraine and tension-type headache.
Osmophobia exhibited poor sensitivity (27.1%) but high specificity (92%) in this pediatric cohort.

Conclusions:

Osmophobia is a relevant symptom in juvenile headache sufferers, particularly those with migraine.
Osmophobia can serve as a valuable supportive diagnostic criterion for distinguishing migraine without aura from tension-type headache in children.
Further research into sensory symptoms can enhance the diagnostic accuracy of pediatric headache evaluations.