Can cause restlessness
jitteriness
spasm of the neck muscles
rigidity of back muscles
jaundice
biliary stasis
and hepatitis have rarely been reported
dyspnea
laryngeal edema
and asthma have been infrequently reported
urinary retention
increase in prolactin levels
galactorrhea
amenorrhea
gynecomastia
false-positive pregnancy tests
menstrual irregularity
ejaculatory disorders
nausea
vomiting
obstipation
and constipation have been reported.