As adjectives the difference between antidiarrheal and antidiarrhea
is that antidiarrheal is preventing or treating diarrhea while antidiarrhea is serving to prevent or counter diarrhea.
As a noun antidiarrheal
is a substance or drug having such capabilities.
antidiarrheal
English
Adjective
(head)
Preventing or treating diarrhea.
Noun
(
en noun)
A substance or drug having such capabilities.
antidiarrhea
English
Alternative forms
* antidiarrhoea
Adjective
(-)
Serving to prevent or counter diarrhea.