Talk to General Physician on Mouth Inner Lips Swelling, Itching And Inflammation For Last Two Years

It's been more than two years now that the inside of my lips swell up and become very painful during sleep and after eating food. Sometimes sticky liquid starts coming out of mouth during sleep. I took 8 injections of vitamin B12 over 8 weeks, used azathioprine and betinsol a week apart each, and I’m also using valolog and somogel, but I still haven’t found relief. What