Some people are saying to dose my normal ball with a pro-biotic, because the flagyl is to strong and kills the good bacteria. What are your views? I know more about flagyl than I do about pro-biotic. What do you guys think? Oh and the reason being is her weight loss, her lack of eating since Oct 8th, and her one time lime green poop she gave me. Her weight loss is of concern to me because she has gone from 1545 grams to 1380 grams.