The stool has a characteristic appearance: a nonbilious, gray, slightly cloudy fluid with flecks of mucus, no blood, and a somewhat fishy, inoffensive odor. -"rice-water“ Clinical symptoms parallel volume contraction At losses of 10%, oliguria, weak or absent pulses, sunken eyes (and, in infants, sunken fontanelles), wrinkled ("washerwoman") skin, somnolence, and coma are characteristic Complications -include renal failure due to acute tubular necrosis. Muscle cramps are common d/o electrolyte imbalance Fever is usually absent