This procedure can lead to complications and should be avoided in subjects with coronary artery disease.

[2] It is also used in diagnosis of gastritis in association with a test for secretin activity.

Betazole is used as a stimulant in preference to histamine because of its specificity for the H2 receptor and its advantage of not generating the undesirable side effects that histamine would induce.

It is used to test the effectiveness of H2 receptor blocking drugs such as nizatidine.

This drug article relating to the gastrointestinal system is a stub.