A doctor prescribed flucloxacillin to treat my toe infection. Half a day after I started my course I started having an intermitent pain in my left side of the jaw, both top and the bottom part. It hurts for about 5 minutes then goes away for around 10-15 and then it comes back again. Been having the simptoms for about 5 days, what are the chances that it is down to flucloxacillin? Never have experienced that sort of pain before, it hurts intermitently, and sometimes it is lower part of the jaw, the other times is the top jaw and quite often both. As I said, the pain lasts few minutes and then goes away. I have no toothache whilst biting on the food, by the way, so I gather it can't be an inflamation of the nerve? Many thanks in advance!