What are the symptoms of E. coli, Giardia, and Cryptosporidium poisoning?
E. coli O157:H7 E. coli O157:H7 infection often causes severe bloody diarrhea and abdominal cramps; sometimes the infection causes non-bloody diarrhea or no symptoms. Usually, little or no fever is present, and the illness resolves in 5 to 10 days. Giardia Giardia can cause the illness known as giardiasis, an intestinal illness that can cause nausea, anorexia, fever, and severe diarrhea. The symptoms only last for several days and the body can naturally rid itself of the parasite in one to two months. However, for individuals with weakened immune systems the body often cannot rid itself of the parasite without medical treatment. Cryptosporidium Cryptosporidium can cause the illness known as cryptosporidiosis. Symptoms of cryptosporidiosis include abdominal cramps, diarrhea, loss of appetite, nausea, dehydration, headaches, and fever. Individuals with healthy immune systems may start to develop symptoms between 2 to 10 days after exposure that may last for up to one month. Although it i
