Buspirone has been shown to increase serum prolactin. Dinan TG, Yatham LN, Barry S, Chua A, Keeling PW (1990). Serotonin supersensitivity: the pathophysiologic basis of non-ulcer dyspepsia? A preliminary report of buspirone/prolactin responses. Scand J Gastroenterol, 25, 541-544. Frank J. Nice, DPA, CPHP