Treating stage IV colon cancer. Stage IV colon cancers have spread from the colon to distant organs and tissues. Colon cancer most often spreads to the liver, but it can also spread to other places such as the lungs, brain, peritoneum (the lining of the abdominal cavity), or to distant lymph nodes.
During the treatment for some levels of periodonal disease, the use of an antibiotic is necessary during the scaling and root planing process in order to protect the patient from harmful bacteria. Arestin is the brand name for an oral antibiotic that's used by dentists.
Tetracyclines, such as doxycycline (marketed as Atridox) is used to help treat periodontal disease. Another use of antibiotics in dentistry is for preventing bacteria that are always present on the surface of tissues around teeth from spreading into the blood.