Q. I have abscess at the back of the top molar undrained for the past 2 years. Will antibiotics help?

Answered by
Dr. Mousam Chattopadhyay
and medically reviewed by Dr. Vinodhini. J
This is a premium question & answer published on Jun 04, 2020 and last reviewed on: Jun 15, 2020

Hello doctor,

I have an abscess in my gum for almost two years because I lost my back top molar and it progressed from there. I do not have dental insurance, so I have never gotten it drained or my missing tooth closed. I have taken antibiotics for this abscess twice now when it flares up, but now it is having a flare-up again and I cannot afford to go to the dentist. I have a bottle of Amoxicillin from a different injury that I have never used. Are there any negative effects any antibiotics could have on this abscess if it is not the same antibiotic I have used before for it?

Dr. Mousam Chattopadhyay

Dentistry Endodontist


Welcome to icliniq.com.

I went through your query. I am sorry for your inconvenience it is too hard to be in such condtions for a long time. But do not worry, as an expert I would recommend you to upload an image of the area. I strongly needed that to comment on any of it.

Yes, there might be any root stump left behind from the missing molar tooth, leading to infection and abscess so just taking medications will not help. If the abscess is not drained, medicines can solidify the abscess to form antibioma what will be a complication as needed surgical assistance.

You can take Betadine gargle in lukewarm water two or three times a day, capsule Amoxicillin 500 mg one capsule thrice daily for five days, tablet Metrogyl ER one tablet BD for five days, Zerodol SP (Aceclofenac, Paracetamol, and Serratiopeptidase) one tablet twice daily for five days, capsule Pan D (Pantoprazole) before meal for five days.

Probable diagnosis:

Periapical abscess due to retained root.

Treatment plan:


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