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Living with Infection by Strongyloides

A roundworm infection caught from contaminated soil, often with no symptoms.

Understanding Infection by Strongyloides

Infection by Strongyloides (strongyloidiasis) is a parasitic disease caused by the roundworm Strongyloides stercoralis.

People catch it by coming into contact with soil contaminated with the worms. It is often without symptoms. It is found in tropical and subtropical areas, and also in temperate regions, including the southern United States.

Signs & symptoms

Symptoms vary, and there are often none. When symptoms occur, GARD lists these:

  • Abdominal pain
  • Cough
  • Diarrhea
  • Rash
  • Unintended weight loss
  • Vomiting

Not everyone has every symptom. GARD's list comes from the Human Phenotype Ontology.

Diagnosis

  1. Talk with your doctor

    Share the symptoms you've noticed, when they started and your family health history. Notes and photos can help.

  2. See a specialist

    Your doctor may refer you to a specialist who knows rare conditions.

  3. Ask which tests can help

    Your care team will decide which exams and tests can confirm the diagnosis.

Care & treatment

Care team
A doctor familiar with rare conditions, plus specialists as needed
Expert care
Ask about multidisciplinary care centers for rare conditions
Treatment
GARD doesn't list specific treatments for this condition. Your care team will tailor care to your symptoms.
Research
Clinical trials and observational studies may be options. See the research section below.

General information, not medical advice. Your care team makes the decisions.

Everyday life

Living with a rare condition is easier with support.

  • Connect with rare disease patient organizations for support
  • Keep notes on symptoms, changes and questions for appointments
  • Ask about patient registries that help research
  • Look into financial aid and travel resources for care visits
Bring these questions to your next doctor visit
Which tests show whether I have a Strongyloides infection?
How can I avoid catching it again?
Should my household be tested?

Quick facts

Symptoms usually startany time in life

It is caused by the roundworm Strongyloides stercoralis, which people catch from soil contaminated with the worms.

Infectious

Also known as: anguilluliasis; anguillulosis; disseminated strongyloidiasis; infection caused by strongyloides; strongyloidiasis; strongyloidosis

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Infection by StrongyloidesGARD ID 8195 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

You are more than your diagnosis

Perspectives from people navigating life with Infection by Strongyloides.

Explore the Infection by Strongyloides blog

Explore research for Infection by Strongyloides

Explore actively recruiting Infection by Strongyloides studies with HealthSpark.

HealthSpark

Find actively recruiting studies for Infection by Strongyloides with HealthSpark. Share your city to explore research near you.

  • Recruiting studies from ClinicalTrials.gov
  • Share your city to look for research near you
  • Eligibility is confirmed by the study team

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Powered by HealthSpark, our AI chat helper · Study information from ClinicalTrials.gov · Eligibility is confirmed by the study team.

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