text: what to do about beeding gums? i used to smoke and my gums were all right. now that i have given up smoking, gums have started to bleed. is there a connection? what should i do? the following medical conditions are some of the possible causes of bleeding gums as a symptom. there are likely to be other possible causes, so ask your doctor about your symptoms.   1) gingivitis -- dental hygiene,brushing teeth,flossing teeth,antiseptic mouth rinse,regular dental checkups.  2) gum disease -- a common cause of tooth loss after age 35 is gum (periodontal) disease. these are infections of the gum and bone that hold the teeth in place. see your doctor immediatly.  3) periodontitis -- periodontitis is an infection in the gums and the bone that holds the teeth in place. if the infection gets worse, your gums may pull away from your teeth, making your teeth look long. see your doctor immediatly.  4) trench mouth -- form of gingivitis causing ulcers. see your doctor immediatly.