the antiulcer effects of different tricyclic antidepressants (trimipramine, doxepin, imipramine, and amitriptyline) in comparison with those of cimetidine, pirenzepine and omeprazole were investigated in male rats with acute gastric ulcer. acute gastric ulcer was induced by oral administration of o. 6n hcl solution, 1 ml/rat. pretreatment of animals with doxepin, trimipramine, amitriptyline, im...