Table 2.

Diagnostic Criteria for BMS According to the ICOP-1*

BMS diagnostic criteria
A. Oral pain fulfilling criteria B and C
B. Recurring daily for >2 hours per day for >3 months
C. Pain has both of the following characteristics:
1. Burning quality
2. Felt superficially in the oral mucosa
D. Oral mucosa is of normal appearance, and local or systemic causes have been excluded
E. Not better accounted for by another ICOP or ICHD-3 diagnosis

^*BMS, burning mouth syndrome; ICHD-3, International Classification of Headache Disorders 3^rd edition; ICOP-1, International Classification of Orofacial Pain 1^st edition.