The drug Tagamet is

antacid

The drug Tagamet is 4. antacid.

Tagamet is the brand name for cimetidine, which is a histamine H2 receptor antagonist. H2 receptor antagonists work by blocking the production of stomach acid. This helps to relieve heartburn, acid indigestion, and upset stomach.

Tagamet is not an analgesic, antidepressant, or anaesthetic.

Analgesics are drugs that relieve pain. Antidepressants are drugs that treat depression. Anaesthetics are drugs that cause loss of sensation.