###Human: What can be done for dislodged tooth filling with a lump in gums? ###Assistant: Hi. Your tooth is probably infected which has caused the white lump on your gums. The decay has gone inside the pulp, almost touching your nerve and there is infection beneath the root of your teeth which has caused this swelling. You will have to confirm the status of your teeth by taking an X-ray, to check how much the infection is affecting your tooth. I will not suggest you having Flucloxacillin 500 mg because it is not effective for dental infections. To suggest an antibiotic, I need to know the proper medical history of yours. At present, take an antibiotic and pain killer so the swelling subsides and meet a dentist as soon as possible for further treatment. Can I know if you have any allergies for any medicine, or any systemic diseases present? If so, I can prescribe the medicine for you.