If you've ever had a painful sinus infection, all you want is relief — fast!
So off to the doctor you go, and, as often as not, you get a prescription for an antibiotic.
Three days later, you start to feel a little better. "Thank goodness for amoxicillin!" you might say. Well, probably not quite like that, unless you're a nerdy health blogger, but you'd be saying something nice about getting a prescription from your doctor.