If someone got sick with an intestinal infection from eating the yogurt, what type of antibiotics would you prescribe? why?

Probiotics 

and why is down below
Probiotics:    Probiotics are live microorganisms that may be able to help prevent and treat some illnesses. Promoting a healthy digestive tract and a healthy immune system are their most widely studied benefits at this time. These are also commonly known as friendly, good, or healthy bacteria.

That is why i would prescribe it
 

If you eat to much it could kill you.