First, rule out anything serious like Parvo. (thriftyfun.com)
When your dog starts to feel a little punky and has a bit of gas / diarrhea / vomiting it's usually nothing to be alarmed about, and after ruling out anything serious, can be remedied with nothing more than a little break for the GI system and some mild meals. (everydayroots.com)
Your diarrhea is probably nothing to worry about but it's always best to rule out anything serious. (momtricks.com)