"Dr, I have another sinus infection" Doctor says: " I'll write you a script for an antibiotic, it should clear up"  "Dr, I completed the antibiotic and my infection is back" Doctor says: " we need to get you into surgery" "Dr, it's only been a month since my surgery and my sinus infection is back" Doctor: " let's try a stronger antibiotic" "But Dr, I've tried this antibiotic before and it didn't work" Doctor: " try it again and see me back in 3 weeks"