analysis of clinical data obtained in a double-blind randomized study , which compared liquid antacid ( neutralizing capacity 120 mmol per day ) with 1 g cimetidine in the treatment of 125 patients with gastric ulcer , revealed that , before starting treatment , 71 % of the patients complained of epigastric pain , approximately 50 % of bloating , and approximately 30 % of nausea , heartburn , constipation or vomiting .
C0008783
cimetidine
C0018834
heartburn