A loss of 10% or more of body weight indicates severe dehydration. Dehydration can develop within hours after cholera symptoms start and range from mild to severe. Vomiting occurs especially in the early stages of cholera and can last for hours.ĭehydration. Diarrhea due to cholera often has a pale, milky appearance that resembles water in which rice has been rinsed. Cholera-related diarrhea comes on suddenly and can quickly cause dangerous fluid loss - as much as a quart (about 1 liter) an hour. Symptoms of cholera infection can include: Others develop more-serious signs and symptoms of cholera, usually within a few days of infection. Most cases of cholera that cause symptoms cause mild or moderate diarrhea that's often hard to tell apart from diarrhea caused by other problems.
But because they shed cholera bacteria in their stool for seven to 14 days, they can still infect others through contaminated water. Most people exposed to the cholera bacterium (Vibrio cholerae) don't become ill and don't know they've been infected.
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