Giardiasis Topic Guide
Giardiasis: Giardiasis is an infection of the small bowel caused by Giardia lamblia. It is the most common intestinal parasitic disease in the U.S. Causes of giardiasis include contaminated water and food supplies, and person to person contact. Symptoms of giardiasis include diarrhea, weight loss, bloating, gas, constipation, nausea, vomiting, rash, and fever. Treatment of giardiasis is generally with antibiotics.
Food Poisoning Food poisoning is caused by infectious or toxic agents. Infectious agents include bacteria, parasites, and viruses. Toxic agents include pesticides on fruits or vegetables, poisonous mushrooms, or improperly prepared exotic foods (for example, barracuda). Symptoms of food poisoning include vomiting, nausea, diarrhea, and abdominal cramps. Treatment of food poisoning depends upon the cause.
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