I had an infected tooth for 28 years. It never showed up on the xray. I had a root canal in 2008 and the tooth is fine but I have an infection that will not go away. I finally convinced a doctor to treat with clindamycin. After 15 months the ifection is 95% gone but the clindamycin doesn t work anymore. What medication would you suggest? I am 62 years old, male, and take no other medications. My continuing condition is bacteria growing under my teeth that provide bitter taste, burning gums and makes me sick every day with headaches and sinus problems. I have almost no immune response to this particular bacteria.
Thanks for your query, I have gone through your query. The tooth infection can be secondary to the deposits below the gums leading to abscess formation resulting in pus discharge and altered taste. The medicines will work for a short period of time, if you keep taking you might develop resistance to that Chat Doctor.  So consult an oral physician and find out the cause for tooth infection and also take an opinion regarding previously done root canal treatment. Meanwhile you can take a course of antibiotics like amoxicillin and metronidazole combination. Do saline gargling. I hope my answer will help you, take care.