What are some pros/cons of ultraflora probiotics after being on antibiotics?

All pros but...: We have trillions of friendly bacteria in our GI tract. Antibiotics kill many of these ; allow yeast ; unfriendly bacteria to overgrow. Ultraflora is a high-quality probiotic that will help to replenish some of the healthy flora killed by antibiotics. There are no cons except it may not be enough to fully restore your flora ; it's wise to not wait til after antibiotics but to take during ; after.