fisherdvm
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You shouldnt just take antibiotics to prevent illness when on vacation. Many antibiotics have diarrhea as side effect.
Besides, the most common way of getting ill from food isnt from the bacteria but from the cytokines. (If bacteria bug you, you will get sick the day after while usually the puking and illness after a few hours comes from the cytokines).
Hope this helps a bit.
Yours,
Rob
You are right, the fine details of the CDC recommendation is buried in the article, but it said as followed:
At this time prophylactic antibiotics should not be recommended for most travelers. In addition to affording no protection against nonbacterial pathogens, they may also give the traveler a false sense of security, leading to neglect of the food and water precautions that might protect against other enteric diseases. In addition, the use of antibiotics may be associated with allergic or adverse reactions in a certain percentage of travelers, an unnecessary occurrence, as early self-treatment with antibiotics for established TD is still quite effective.
Prophylactic antibiotics may be considered for short-term travelers who are high-risk hosts (such as those who are immunosuppressed) or are taking critical trips during which even a short bout of diarrhea could impact the purpose of their trip.