Whats the best antibiotic for tooth infection?
Metronidazole is the best AntiBiotic for tooth infections. It is marketed in the trade names Flegyl, Flagyl or Nidagyl. You need to take 375mg or 400mg twice a day course for minimum 5 days. Daily maximum dose should not exceed 800mg. Avoid taking Alcohol during this period. You should not take Metronidazole if you are pregnant. Constipation is a very rare side effect of Metronidazole but you can avoid that by taking more water and fruits.