I have a developed a red, swollen area around one of my upper teeth on the gum line. It does bleed. I have just noticed within the last 2 weeks. I go to the dentist every six months and never had an issue like this. I have been doing some home remedies first - brushing and flossing after every meal, a mouth rinse, salt water rinse. I have been thinking about what has changed in my lifestyle and the only thing I can think of is the last month, I have started taking Prevacid. Could this be the problem.