Artificial flavor. Help prevent dehydration due to diarrhea and vomiting. Kid-approved taste! No. 1 pediatrician recommended brand. 4 powder packets = 1 liter (When mixed according to directions, 4 powder packets provide the same rehydration as 1 Pedialyte liter bottle). Dehydration can make your sick child feel even worse. Use Pedialyte rather than juices, soda, sports drinks or water, at the first sign of diarrhea and vomiting to help replace lost fluid and electrolytes. Electrolyte Sodium in Pedialyte Compared to Common Beverages: Level of electrolyte sodium to help replace losses during diarrhea. Pedialyte is scientifically designed to help replace electrolytes, like sodium, lost during diarrhea more effectively than common beverages.