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Step 1
Watch for signs of diarrhea in children and adults, especially after events that include crowded swimming conditions or meals. Symptoms of giardiasis may be mild or severe at the outset, so playing close attention to bowel habits often provides the first indication of something wrong.
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Step 2
Pay attention to any complaints of stomach cramps in children and adults alike. Many individuals confuse symptoms of giardiasis with symptoms of food poisoning. Some people suffer from severe cramps and diarrhea, while others may only experience mild bouts of each.
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Step 3
Look at stools to make sure they are normal in color and consistency. This may not be the most pleasant thing to do, but it is necessary for identifying signs of giardiasis and other digestive disorders. Stools of those affected with giardiasis may be particularly foul smelling or even greasy in nature.
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Step 4
Track complaints of nausea or vomiting for consultations with a family physician whenever necessary. In some cases, a slight fever may also be present.









