Mouth ulcer pain rel. Depending on the condition, either traumatic, autoimmune or viral, there are treatments out there that can shorten the duration, or temporarily relive pain. For trauma a med like kenalog (triamcinolone) in orabase should healing time to about! /2. This is also true with the use of an antiviral, a magic mouthwash can be mixed by a pharmacist for excellent pain relief.
See your doctor. See your doctor. He/she will listen to you, examine you and possibly do some tests. He/she will probably prescribe medication for pain, physical therapy for exercises and stretching and possibly a referral for surgical intervention.