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In humans, symptoms can include abdominal pain, diarrhea and weight loss. However, many infected individuals may be asymptomatic. Eurytrematosis is diagnosed through fecal examination for the presence of trematode eggs. Treatment typically involves the use of anthelmintic drugs such as praziquantel, which can effectively kill the adult parasites.
A large burden of adult worms in the intestines promotes symptoms such as nausea, heartburn, dyspepsia, and diarrhea from two to seven days after infection, while small worm burdens generally are asymptomatic. Eosinophilia presents early and increases rapidly. [13]
Some internal fish parasites are spectacular, such as the philometrid nematode Philometra fasciati which is parasitic in the ovary of female Blacktip grouper; [14] the adult female parasite is a red worm which can reach up to 40 centimetres in length, for a diameter of only 1.6 millimetre; the males are tiny.
Intestinal parasites produce a variety of symptoms in those affected, most of which manifest themselves in gastrointestinal complications and general weakness. [1] Gastrointestinal conditions include inflammation of the small and/or large intestine , diarrhea / dysentery , abdominal pains , and nausea / vomiting .
The migration of adult worms in the intestinal epithelium can cause traumatic damage to the host tissue, and the waste products they excrete can provoke an immunological reaction. [2] The resulting inflammation can cause symptoms such as nausea, vomiting, sweating, and diarrhea.
[2] [5] Opisthorchis viverrini damages the bile duct when in the adult stage of the life cycle, forming the cancer cholangiocarcinoma. [1] [5] Blood flukes can cause the trematodiases schistosomiasis which can cause reactions on skin. When infected, the host can also experience symptoms such as nausea, lack of appetite, diarrhoea, and abdominal ...
If the infection is only with a few worms, there are often no symptoms. [1] In those who are infected with many worms, there may be abdominal pain, fatigue and diarrhea. [1] The diarrhea sometimes contains blood. [1] Infections in children may cause poor intellectual and physical development. [1] Low red blood cell levels may occur due to loss ...
It is also a rare cause of ileus, pancreatitis, cholecystitis, and cholangitis. [11] Taenia saginata has been reported as a cause of gallbladder perforation if left untreated in some cases. [12] Taenia saginata adult worms can live in the host for up to 25 years and most infections will last 2 to 3 years without treatment. [13]