Visceral larva migrans, also known as toxicariasis, is a parasitic infection caused by the ingestion of eggs from animals. These eggs hatch into larvae and migrate through the body's tissues, often affecting the liver, lungs, and other organs. Symptoms range from mild to severe and can include fever, fatigue, cough, and abdominal pain.

Visceral Larva Migrans, Toxicariasis FAQ


What are the common symptoms of visceral larva migrans?

Common symptoms include fever, fatigue, cough, abdominal pain, and, in severe cases, liver and lung complications.

How is visceral larva migrans diagnosed?

Diagnosis is usually based on symptoms and supported by blood tests and imaging to confirm the presence of the parasite.

What is the treatment for visceral larva migrans?

The treatment usually involves anthelmintic drugs such as albendazole, mebendazole, or ivermectin to kill the larvae and relieve symptoms.

Can visceral larva migrans be prevented?

Prevention involves good hygiene, avoiding contact with contaminated soil, and ensuring pets are dewormed regularly.

Is visceral larva migrans contagious between humans?

No, visceral larva migrans is not transmitted directly from human to human.

What is the prognosis for visceral larva migrans?

The prognosis is generally good with appropriate treatment, but severe cases affecting vital organs may have a more guarded outlook.

Can visceral larva migrans affect children?

Yes, children are particularly at risk due to their close contact with pets and potential exposure to contaminated soil.

Are there any complications associated with visceral larva migrans?

In severe cases, complications may include liver granulomas, pneumonia, or vision problems if the larvae migrate to the eye.

Is there a risk of visceral larva migrans in pregnant women?

Pregnant women should avoid handling animal waste to minimize the risk of infection, as there can be potential risks to the fetus.

What should I do if I suspect I have visceral larva migrans?

Seek medical attention promptly for an accurate diagnosis and appropriate treatment to ensure quick recovery and prevent potential complications.

How long does it take for symptoms of visceral larva migrans to appear?

Symptoms may appear one to four weeks after ingestion of the parasite's eggs, but can vary based on the individual's immune response.

Can visceral larva migrans affect internal organs other than the liver and lungs?

Yes, the larvae can potentially migrate to other organs, such as the eyes, heart, or brain, leading to complications in these areas.

Is there a vaccine for visceral larva migrans?

No, there is currently no vaccine available to prevent visceral larva migrans, so prevention is focused on avoiding exposure to the parasite.

What precautions should I take when traveling to areas where visceral larva migrans is common?

When traveling to endemic areas, it is essential to avoid consumption of untreated water and to ensure proper hygiene and food safety practices.

Are there any natural remedies or alternative treatments for visceral larva migrans?

There is limited evidence to support the effectiveness of natural remedies, so it is crucial to consult a healthcare professional for appropriate treatments.

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