One of the pharmaceutical companies here in the United States that makes it, the oral solution, says that the national stockpile of this actually begins expiring in April of 2011.

WHITEHOUSE: Press Briefing

Campaigns targeting childhood diarrhoea in the 1970s and 1980s achieved success by scaling up the use of oral rehydration solution (ORS) to prevent dehydration and by educating caregivers.

BBC: Move to cut child diarrhoea death