Sports drinks, soda pop, and fruit juices contain too much sugar and not enough of the important electrolytes that are lost during diarrhea and should not be used to rehydrate.

Magnesium is an important electrolyte needed for proper muscle, nerve, and enzyme function.

Several of the medicines for heart failure can affect important electrolytes or minerals in the blood.

Soda and fruit juices have too much sugar and not enough of the important electrolytes that are lost during diarrhea, and they should not be used to rehydrate.

But rapid and excessive fluid loss is potentially dangerous because it can bring on severe dehydration and can upset the balance of important electrolytes in the body.

Chloride is one of the most important electrolytes in the blood.