A drug may be classified by the chemical type of the active ingredient or by the way it is used to treat a particular condition. Each drug can be classified into one or more drug classes.
There are several approaches to the treatment of diarrhea and therefore different types of antidiarrheal agents.
Oral rehydration agents are first line use as antidiarrheal agents. Maintenance of fluid and electrolyte balance is very important.
Antibacterial agents can be used to treat diarrhea with confirmed bacterial cause, such as campylobacter. Otherwise antibacterial agents are not necessary in most cases of diarrhea.
Other agents used to treat diarrhea are antimotility agents or antispasmodic agents.
Medical conditions associated with antidiarrheals: