Dehydration

Dehydration is a medical condition in which a living being's body is deprived of water to the point where it causes health problems.

Empath: The Luckiest Smurf stories
In the EMPATH: The Luckiest Smurf story series, the Smurfs deal with dehydration on severely hot days when there is very little water to keep themselves healthy and active. Papa Smurf and Handy have come up with solutions on their own to help the Smurfs combat this problem.

Smurfs: The Devereaux Story
In the latest Smurfs: The Devereaux Story episode, Eska Devereaux finds out that she has been severely dehydrated to the point where she only has a few days to live.