Not all probiotics are ineffective when taking antibiotics. If there is a doubt, check their website, or if they don't have one, read the info that comes with it. VSL#3 recommend that you wait a few hours after taking your antibiotics before taking the VSL. Another probiotic I've taken, Florastor (which is a yeast), is not affected by antibiotics at all, so it is recommended to take at the same time.
36 y.o. male
Diagnosed w/ UC in May '06
Meds & supplements:
Asacol, Florastor, VSL#3, Wellbutrin XL, Prozac, multi-vitamin, Allegra, Lialda, Colocort, Prednisone ( 2.5mg/day, back up to 7.5mg), flaxseed oil, L-glutamine, magnesium, and vit B-12.
Tried the spinach/sunflower diet. Saw some relief in symptoms after 1 month, but symptoms returned with the taper off prednisone.
Next up - experimental and trial drugs.