What is Capillariasis? Diagnosis and Treatment

Written by Medicover Team and Medically Reviewed by Dr A Venkateshwar Rao , Gastroenterologists Medical



Capillariasis is a parasitic infection caused by Capillaria worms. These worms typically infect the digestive system, leading to various health issues. The primary impact of capillariasis on health is the disruption of normal bodily functions due to the presence of these parasites. The infection can affect overall well-being and may lead to complications if left untreated.


What are the Types of Capillariasis?

Capillariasis is a parasitic infection caused by Capillaria worms. There are different types or forms of capillariasis based on the specific species of Capillaria worm involved. These worms typically infect the gastrointestinal tract or urinary system of humans. Symptoms vary depending on the type of Capillaria worm causing the infection. In cases of capillariasis, proper diagnosis and treatment are essential to manage the infection effectively. Early detection and appropriate medical intervention can help alleviate symptoms and prevent complications associated with capillariasis.

  • Intestinal Capillariasis: Caused by Capillaria philippinensis, this type of capillariasis affects the intestines, leading to symptoms like diarrhea, abdominal pain, and weight loss.
  • Pulmonary Capillariasis: Resulting from the infection of the lungs by Capillaria aerophila, pulmonary capillariasis can cause coughing, chest pain, and difficulty breathing.
  • Hepatic Capillariasis: Hepatic capillariasis occurs when the liver is infected by Capillaria hepatica, causing symptoms such as jaundice, abdominal swelling, and liver dysfunction.
  • Ocular Capillariasis: Ocular capillariasis is a rare form of the disease that affects the eyes, leading to symptoms like eye pain, redness, and vision disturbances.
  • Cutaneous Capillariasis: This type of capillariasis involves skin manifestations due to Capillaria larvae penetration, resulting in symptoms like itching, rash, and localized inflammation.

What are the Symptoms of Capillariasis?

Capillariasis is a parasitic infection caused by a type of worm. The symptoms of capillariasis can vary depending on the severity of the infection. Generally, people with capillariasis may experience a range of symptoms that can affect different parts of the body. These symptoms can be mild to severe and may include digestive issues, weakness, and other discomforts. It is important to seek medical attention if you suspect you have capillariasis to receive proper diagnosis and treatment.


What are the Causes of Capillariasis?

Capillariasis is primarily caused by ingesting food or water contaminated with Capillaria eggs. This parasitic infection commonly affects the digestive tract, specifically the small intestine. Infection occurs when the eggs hatch and larvae penetrate the intestinal wall. The larvae then mature into adult worms, leading to symptoms such as abdominal pain, diarrhea, and weight loss. Proper hygiene and sanitation practices are essential in preventing capillariasis.

  • Ingestion of food contaminated with Capillaria eggs
  • Poor sanitation and hygiene practices
  • Consumption of raw or undercooked fish containing Capillaria larvae

When to See a Doctor for Capillariasis?

Seek medical attention if you:

  • Have persistent diarrhea lasting more than a few days.
  • Experience severe abdominal pain, weight loss, or loss of appetite.
  • Develop signs of dehydration, such as excessive thirst, dizziness, or reduced urination.
  • Notice ongoing weakness, fatigue, or symptoms of malnutrition.
  • Have recently eaten raw or undercooked freshwater fish and develop digestive symptoms.

High-risk groups:

  • People who frequently consume raw or undercooked freshwater fish
  • Individuals living in or traveling to areas where capillariasis is common
  • Children, older adults, and people with weakened immune systems

Do not ignore persistent gastrointestinal symptoms. Consult a Gastroenterologist for evaluation. Early diagnosis and treatment can help prevent dehydration, malnutrition, and other complications.

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How is Capillariasis Diagnosed?

Capillariasis is typically diagnosed through various methods that help healthcare providers identify the presence of the parasite causing the infection. These diagnostic approaches involve examining stool samples or relevant tissues to detect the eggs or larvae of the Capillaria worm. Additionally, imaging tests like ultrasound or endoscopy may be used to visualize any damage or abnormalities in the affected organs. Blood tests can also be conducted to check for elevated levels of certain antibodies that indicate an active infection. The combination of these diagnostic tools helps in confirming capillariasis and guiding appropriate treatment.

  • Stool examination
  • Serologic tests
  • Duodenal aspiration and biopsy

What are the Treatment for Capillariasis?

Capillariasis is a parasitic infection that primarily affects the intestinal tract. Treatment options for capillariasis typically involve medications that target the parasite causing the infection. These medications are prescribed by healthcare providers based on the severity of the infection and the individual's overall health condition. It is important to follow the prescribed treatment regimen carefully to effectively eliminate the parasite and prevent complications. In some cases, supportive care such as rehydration therapy may also be necessary to manage symptoms and aid in recovery. If you suspect you have capillariasis or have been diagnosed with the infection, consult a healthcare professional for proper evaluation and treatment.

  • Albendazole: An antiparasitic medication commonly used to treat capillariasis by killing the worms in the intestines.
  • Mebendazole: Another antiparasitic drug that can be effective in treating capillariasis by targeting and eliminating the parasitic worms.
  • Nitazoxanide: A medication that can be prescribed to combat capillariasis by disrupting the growth and reproduction of the parasites.
  • Surgical removal: In severe cases of capillariasis where the parasites cause blockages or complications, surgery may be necessary to remove the worms from the affected areas.
  • Symptomatic treatment: Along with antiparasitic medications, symptomatic treatment such as hydration and electrolyte management may be needed to address any complications or symptoms caused by capillariasis.

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What are the Risk Factors of Capillariasis?

Capillariasis is a disease caused by the Capillaria parasite. The risk factors for capillariasis involve various aspects that can increase a person's chances of being infected with the parasite. These risk factors can be influenced by lifestyle, geographical location, and certain habits. Understanding these risk factors is crucial in preventing the transmission and spread of capillariasis.

  • Consuming raw or undercooked fish
  • Living in or visiting areas with poor sanitation
  • Drinking contaminated water containing Capillaria eggs

Frequently Asked Questions

1. What is capillariasis?

Capillariasis is an intestinal parasitic infection caused by the nematode Capillaria philippinensis.

2. How do people get infected with capillariasis?

People can get infected with capillariasis by consuming contaminated raw or undercooked fish, particularly in endemic regions.

3. What are the symptoms of capillariasis?

Symptoms of capillariasis may include abdominal pain, diarrhea, weight loss, and malabsorption of nutrients.

4. How is capillariasis diagnosed?

Capillariasis can be diagnosed through stool examination to detect the presence of Capillaria eggs.

5. What is the treatment for capillariasis?

Treatment for capillariasis typically involves antiparasitic medications such as albendazole or mebendazole.

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