I haven't taken Flagyl but have experienced the same thing. I bombed out my house so bad once, my husband turned on the fan in the KITCHEN. Thank God we're already married and he can't leave. ;-)
Female, 30. Chicago 'burbs.
DX: Ulcerative Proctitis (10cm) January '08
Current Treament: Rowasa 60 ML 2X daily, Cortenama 100 ML 1X daily, Bentyl 20 MG 4X daily (as needed), Tylenol, and Acidophilus 2X daily.
Diet/Exercise: No sugar (including fructose, sorbitol, mannitol, and lactose) or wheat bran fiber. Daily yoga, walking, or cardio w/weights.
Previous Treatment: Canasa suppositories, Cortifoam, Prednisone, Colazal, Symex DuoTabs, Vitamins.
Status: Flare (showing some improvement)