Stable acetylsalicylic acid and diphenhydramine citrate effervescent composition.

摘要

A substantially stable composition containing an effervescent couple, acetylsalicylic acid and diphenhydramine citrate is disclosed. Other known active agents, as well as optional ingredients such as flavorings, may also be included in the composition. The composition effervesces when placed in water The effervescent couple preferably is sodium bicarbonate and citric acid.