Liver fluke

Overview of Fluke Infections Flukes are parasitic flatworms. There are many species of fluke. Different species tend to infect different parts of the body. Flukes may infect Blood vessels of digestive or urinary system... read more are parasitic flatworms. There are many species of flukes. Different species tend to infect different parts of the body. Liver fluke infections occur in Europe, Africa, eastern Asia, and South America but are rare in the United States. (See also Overview of Parasitic Infections A parasite is an organism that lives on or inside another organism (the host) and benefits (for example, by getting nutrients) from the host at the host's expense. Although this definition actually... read more .) After the cysts of Clonorchis sinensis and Opisthorchis are swallowed, the larvae leave the cysts in the intestines and travel back up the intestine and enter the Overview of the Liver and Gallbladder Located in the upper right portion of the abdomen, the liver and gallbladder are interconnected by ducts known as the biliary tract, which drains into the first segment of the small intestine... read more (the tube that carries bile from the liver and gallbladder to the intestine). Then they go up the bile duct into the liver or sometimes the gallbladder. There, they develop into adults and produce eggs. Adults can live 20 to 30 years if untreated. Eggs are passed in the stool and ingested by snails. Infected snails release immature flukes that can swim (called cer...

Types According to the Centers for Disease Control and Prevention (CDC), there are three types of liver flukes that can cause infection in humans. These types are based on geographical location. Traveling to parts of the world where these types of liver flukes are widespread will increase your likelihood of infection. This type of liver fluke is found across Asia and Europe, and particularly in Thailand, Laos, Vietnam, Germany, Italy, Belarus, Russia, Kazakhstan, and Ukraine. Opisthorchiasisliver fluke species cause an opisthorchis infection. If symptoms do occur with this type of liver fluke, they will be nonspecific and include digestive upset or indigestion, and in more severe cases, abdominal pain, diarrhea, or constipation. These types of infections require diagnosis and treatment to remedy infection. Parasite testing is necessary to determine if you have a liver fluke. Several Together, these tests can help your healthcare provider determine diagnosis and treatment. For best results, be sure to share your travel history so the tests ordered are as specific to your situation as possible. Complications Complications are rare, and liver fluke infections are not fatal on their own. There are, however, rare cases in which infection can cause severe and serious health complications. For example, long-lasting or persistent liver flukes can cause chronic inflammation of the bile ducts (canals that pass through organs in your digestive system, including the pancreas and small...

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Liver flukes (fasciola) are parasitic flatworms that affect the bile duct and liver. These There are two types of liver flukes that affect humans. They are Fasciola hepatica (common liver fluke or sheep liver fluke) and Fasciola gigantica. Symptoms of Liver Fluke People can get infected with liver flukes after swallowing the parasite, most often by eating raw vegetables or drinking contaminated water. In some cases, an infected individual may never feel sick or show signs of infection. The symptoms you get may vary depending on the stage of infection you're in. You may experience some symptoms during the early stages as the liver flukes move in the You may also experience symptoms in the late stages of infection. This is when the liver fluke has reached the You may also show symptoms like: • • • Itching • Fever • Chills • Abdominal discomfort or pain • Life Cycle of the Liver Fluke Infected animals excrete immature eggs through their stool. These eggs develop in freshwater, using snails as an immediate host to undergo several developmental stages. The snail later releases the eggs onto plants, which are ingested by grazing animals and passed on to humans, where they live to adulthood. Humans may also consume the parasite directly through the plants. Stages of Liver Fluke Infections Liver fluke infection is categorized into three stages: • Acute stage. This phase describes the time from the fourth to the seventh day after contact with the parasite. You may not detect the si...

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Overview A liver fluke is a parasitic worm. Infections in humans usually occur after eating contaminated raw or undercooked freshwater fish or watercress. After liver flukes have been ingested, they travel from your intestines to your bile ducts in your liver where they then live and grow. Although most infected individuals don’t show any symptoms, sometimes symptoms arise related to the biliary system. In rare cases, long-term complications can also develop. Liver fluke infections aren’t common in the United States, but they do occur. Your risk of infection increases if you travel to parts of the world where the parasites are widespread. In the short term, a liver fluke infection can bring about symptoms such as: • abdominal pain • fever • nausea • vomiting • • hives • • decreased appetite and weight loss There are also some rare complications associated with heavy liver fluke infections. These include stone formation, recurrent infections of the biliary system, and cholangiocarcinoma ( The adult parasites settle in the small bile ducts and can live there for 20 to 30 years. The long-lived flukes can cause long-lasting chronic inflammation of the bile ducts, which often leads to further problems. Four to six months after they settle in the bile ducts, the adult flukes start producing eggs, which are then passed out into the intestines. Prevention It’s important to know that liver fluke infection can be easily prevented. Ensuring that freshwater fish and watercress are tho...

Share on Pinterest Liver flukes cannot be transmitted from person to person. Image credit: Veronidae, 2013 Liver flukes are parasitic worms that live in the bile ducts and the liver of infected animals. These parasites cause a disease called fascioliasis in people, cattle, and sheep. Although liver flukes can infect people in all parts of the world, they are most prevalent in developing countries. There have only been It is not possible to spread liver flukes from person to person, and some infected people may not even realize they have them. Once contracted, liver flukes may live in a person’s body for 20 to 30 years if left untreated. How do people get infected? People most commonly get infected with liver flukes through the following ways: • consuming freshwater fish infested with the flukes • eating freshwater vegetables, such as watercress • drinking contaminated water • washing vegetables or fruits with contaminated water The scientific name for liver flukes is Fasciola, and the disease they cause is called fascioliasis. The Centers for Disease Control and Prevention (CDC) have identified two types of liver flukes that can infect people: Fasciola hepatica and Fasciola gigantica. A person may have liver flukes living in them and never develop fascioliasis. Others may develop fascioliasis many years after the liver flukes entered their body. Share on Pinterest Pain in the upper right abdomen may be a symptom of liver flukes. A person may never know they have liver fluk...