Clonazepam is a benzodiazepine drug used for treatment of a spectrum of disorders for example in anxiety, mood swings, sleeplessness, epilepsy, panic disorders, depression, glossodynia etc. Both topical and systemical clonazepam have been found to be effective in reducing intensity of burning sensation of oral cavity. This study was conducted on 15 subjects with oral administration of clonazepam. VAS score was used to evaluate the effects of drug. The results were statistically significant.