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Living with Invasive non-typhoidal salmonellosis

A bacterial infection in which Salmonella spreads outside the gut, seen in people who also have HIV, malaria, or cancer.

Understanding Invasive non-typhoidal salmonellosis

Invasive non-typhoidal salmonellosis is a rare bacterial infection caused by Salmonella germs that spread outside the intestines.

It is caused by certain types of Salmonella enterica (non-typhoidal types). It happens in people who already have HIV, malaria, or a cancer (malignancy). People usually have fever, pale skin, and breathing signs such as cough and pneumonia. Stomach and bowel symptoms are not common. Sometimes abscesses in organs, septic shock, or meningitis occur. It can start at any time in life.

Signs & symptoms

Symptoms vary from person to person. GARD says people typically have:

  • Fever
  • Pale skin (pallor)
  • Cough
  • Fast breathing (tachypnea)
  • Pneumonia
  • Organ abscesses (sometimes)

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
How is this infection diagnosed and told apart from other illnesses?
How does my other condition (HIV, malaria, or cancer) affect this infection?
What signs should make us call the care team right away?

Quick facts

Symptoms usually startany time in life

It is caused by an infection with non-typhoidal types of Salmonella enterica that spreads beyond the intestines. It occurs in people with HIV, malaria, or cancer.

Infectious

Also known as: ints (invasive non-typhoidal salmonella) disease; ints disease; invasive non-typhoidal salmonella disease

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Invasive non-typhoidal salmonellosisGARD ID 21449 · 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 Invasive non-typhoidal salmonellosis.

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HealthSpark

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  • Recruiting studies from ClinicalTrials.gov
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  • 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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