| abstract |
A dosage unit comprising a water soluble hydrocolloid and a mucosal surface coating forming film, the film comprising an effective amount of an active agent. In the above dosage unit, sildenafil citrate, nicotine, hydromolphone, oxybutynin or estradiol is used as the active agent.n n n n Water-soluble hydrocolloids, mucosal surface coating-forming films, activators. |