The choice of medication for diarrhoea is closely related to the cause of the diarrhoea that causes it.
Treatment varies depending on the cause, and there are a number of tests that should first be done on the patient to clarify the cause.
Diarrhoea caused by a bacterial infection is treated with antibiotics such as levofloxacin.
diarrhoea caused by a viral infection, which is usually self-limiting and is treated with dietary modifications and rehydration.
In the case of protozoal infections, such as amoebic dysentery, treatment with metronidazole is indicated.
All of the above medications should be used under specialist supervision.