Risperidone is a second generation antipsychotic reported to cause hyperprolactinemia due to its D2 receptor antagonism, which may induce amenorrhea, altered menstrual cycle, loss of libido and increase the long-term risk of osteoporosis. However, to our knowledge, all previous reports have focused on risperidone induced hyperprolactinemia.Here we are presenting a rare case report on prolactinoma caused by risperidone.

Keywords: Risperifone; Adverse Drug reaction; prolactinoma.