m1, hi and welcome to the forum. By the description you gave it sounds like peridontal disease. The symptoms are as follows mouth sores, swollen gums, bright red or redish-purple looking gums, shiny gums, bleeding gums (you may even see some blood on your toothbrush even if you brush softly). You should see a dentist before you do anything else. It is easily treatable so don't panic. Good luck and let us know.