How Do You Know If You Have Cholera?

Cholera can move from first symptoms to life-threatening dehydration within hours, which is why health authorities say knowing the warning signs, and acting on them immediately, can be the difference between a quick recovery and a medical emergency.

HOW SOON DO SYMPTOMS APPEAR?

After exposure to the Vibrio cholerae bacterium, symptoms typically appear anywhere between 12 hours and five days later, according to the World Health Organisation. Many people infected with the bacteria experience mild symptoms or none at all, but they can still pass the infection on to others through contaminated water or food, which is part of why cholera spreads so easily in affected communities.

THE KEY WARNING SIGNS

The hallmark symptom of cholera is sudden, watery diarrhoea, often described as looking like "rice water" because of its pale, cloudy appearance. This is frequently accompanied by vomiting, which, combined with the diarrhoea, can cause the body to lose large amounts of fluid very quickly.

Other symptoms to watch for include:

Nausea and vomiting, often without much effort

Leg cramps, caused by the rapid loss of salts and minerals from the body

Restlessness or irritability, particularly in young children

Unusual thirst, a sign the body is already losing more fluid than it can replace

WHEN SYMPTOMS BECOME AN EMERGENCY

The real danger of cholera lies in how quickly it can dehydrate the body. Signs that dehydration is becoming severe, and that a person needs urgent medical attention, include:

Sunken eyes

Dry mouth and skin that is slow to spring back when gently pinched

Little or no urination

Rapid heartbeat or low blood pressure

Extreme fatigue, confusion or loss of consciousness

In infants, a sunken soft spot on the top of the head

Severe, untreated cholera can kill within hours because of how fast the body loses fluids and essential salts. Anyone showing signs of severe dehydration alongside watery diarrhoea should be taken to the nearest health facility immediately rather than waiting to see if symptoms improve on their own.

WHY QUICK ACTION MATTERS

Health officials stress that cholera is highly treatable when caught early, with appropriate rehydration bringing the case fatality rate down to below one percent. The risk comes from delay. Because symptoms can escalate so fast, anyone in an area with a known outbreak who develops sudden watery diarrhoea, with or without vomiting, is advised to seek medical attention immediately rather than attempting to manage it at home, particularly where young children, elderly people or anyone with an existing health condition is involved.

This is the second article in a four-part MUVI TV series on cholera. Tomorrow: what to do once cholera is confirmed, including treatment and home care while seeking help.