what are the side effects of oral rehydration theropy?

Oral Rehydration Solution

Oral Rehydration Solution (ORS)-- A liquid preparation developed by the World Health Organization that can decrease fluid loss in persons with diarrhea.

For patients who are able to tolerate fluids by mouth, oral rehydration therapy (ORT) with oral rehydration salts (ORS) in solution is the preferred treatment alternative. Another technique in which fluid replacement is injected subcutaneously.

Try dehydrating your body you will understand. ;)