Text: If you are on a short trip, you may need to take a quick-acting remedy to keep you on your feet, but if you load up with antibiotics and a host of other patent medicines, your body will never build up resistance, and the next attack will just be worse.
Entailment: Medicine can help with acute infections, but too many antibiotics will prevent you developing immunity.
Contradiction: You must carry and take antibiotics at all times to prevent illness.