Cimetidine-Induced Galactorrhea

Ehrinpreis, Murray N.; Dhar, Ravi; Narula, Amrit
May 1989
American Journal of Gastroenterology;May1989, Vol. 84 Issue 5, p563
Academic Journal
Various breast abnormalities have been described in patients treated chronically with cimetidine, but galactorrhea has been reported only twice in the medical literature. In both cases, there appeared to be an associated hyperprolactinemia. These problems could well represent a consequence of histamine2-receptor blockade. We report here a female patient with hepatic cirrhosis and portal hypertension who developed hyperprolactinemia and galactorrhea while on long-term cimetidine therapy. Both the hyperprolactinemia and the galactorrhea disappeared when the patient was switched to ranitidine, an alternative H2-receptor blocker. A review of the previous case reports and relevant literature is included.


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