Fentanyl containing dosage forms and methods using same are described. These dosage forms include substantially less fentanyl by weight than know oral formulation and have advantages in terms of cost and side effects. These dosage forms are intended for oral administration of fentanyl across the oral mucosa.本發明描述含有吩坦尼(fentanyl)之劑型及使用該等劑型之方法。該等劑型包括比已知口服調配物實質上更少重量之吩坦尼,且就成本及副作用而言具有優勢。該等劑型意欲以透過口腔黏膜之口服方式投用吩坦尼。