Background: There is only one case reported about trigeminal neuralgia as a complication of taking of bromocriptin without any stractural abnormality. In this study we have introduced a new case with trigeminal neuralgia after taking bromocriptin.Case Report: The patient is a 55-year-old man, suffer from several attacks of neuralgic pain in right side of his face following forth-days taking of bromocriptin for post stroke aphasia treatment. His neuralagic pain increased with increasing the bromocriptin dosage. The serologic laboratory data and brain MRI were normal.Finding: After decreasing the bromocriptin dosage his pain was gradually decreased and finally resolved at the end. According to these findings and patient's history the trigeminal neuralgia was recommended as a rare side effect of bromocriptin and it is the second case report of this side effect in the world.Conclusion: It seems there is more need to investigation about the role of dopamin in enhancing this kind of neuralgia.