The membrane under my tongue is swollen and a couple of days ago was very red. I have been using Total Care Listerine 4-5 times a day, so now they are more white, like an infection. My tongue is sore and feels a little swollen, as do my inner lips. Today I have only been drinking water and used warm salt water to gargle with. That has helped with the pain, but it is still swollen on the membrane under my tongue. Should I see a doctor?