Question

what is ORS?what is its use?

Answer 1

An oral rehydration solution (ORS) is a mixture of electrolytes, sugar, and water taken by mouth to absorb water and electrolytes into the body and properly restore the electrolyte and fluid balance lost by excessive sweating, vomiting, or diarrhea.

Answer 2

$\orange{hey\:mate}$
Oral rehydration solutions (ORS) are used to treat dehydration caused by diarrhea, a common illness in travellers...
it is taken orally....
$\orange{hope\:it\:helps}$