thus , famotidine appears to be a suitable and well tolerated alternative to cimetidine and ranitidine for healing peptic ulcers , but wider clinical experience is needed to assess its relative efficacy and tolerability in the long term maintenance treatment of patients with healed ulcers as well as in patients with zollinger-ellison syndrome .
C0008783
cimetidine
C0043515
zollinger-ellison syndrome