mouth sores treatment medication prescription
Unlabelled alternative drug treatments for Mouth ulcers include: 1  Allopurinol - mainly for mouth sores caused by chemotherapy. 2  Alloprin - mainly for mouth sores caused by chemotherapy. 3  Apo-Allopurinol - mainly for mouth sores caused by chemotherapy.  Lopurin - mainly for mouth sores caused by chemotherapy.