Actually, the oral surgeon may want to switch to another antibiotic as giving you the same antibiotic may not be doing the trick. The bacteria may be getting used to the antibiotic and rendering it less effective. Ask your surgeon if switching antibiotics may be possible.
I wonder if that's why my mouth still hurts after 7 days and taking 2,000mg of Penicillian a day! (500X4) !?!?!