The oromucosal solution formulation comprises of a local anaesthetic and a debriding agent used for the treatment of ulcerating oral mucosal lesions known as Aphthous stomatitis or Canker Sores. The formulation contains non-saccharide and zero calorie sweeteners, thus having an appeal to diabetics and prevents tooth decay. The oromucosal solution completely stops oral ulcer pain, seals damaged oral mucosal tissues and aids natural healing processes within a short period of time on application. This oromucosal solution is also beneficial whenever dental and medical procedure in the mouth require controlled, limited debridement of necrotic or damaged tissues. It is also useful for the elimination of oral pain associated with mucosal damage such as inflammation, abrasion, ulceration, lesions, incision and trauma