Aggregatibacter actinomycetemcomitans (A. actinomycetemcomitans), a bacteria linked to gum disease, may worsen rheumatoid arthritis (RA), according to a study published in the International Journal of ...

Some common causes of mouth infections can include oral thrush, herpes, and gingivitis. Treatment depends on the underlying cause but can include antibiotics, antivirals, or antifungals. Mouth ...