You can take them together (there is no drug interaction). But, Flagyl and other antibiotics tend to reduce the amount of stool, so can cause enough thickening that the effects of Imodium is too much. So just be wary of that and reduce the Imodium as needed.

Jan

Some people get a dreadful reaction when they consume alcohol while taking Flagyl, so pharmacists advise everyone to avoid alcohol with Flagyl. It turns out that not everyone has this reaction, so you may want to carefully try it. I haven't worked myself up to trying it yet.