MedicalCause

MedicalCause is a MedicalEntity subtype representing an underlying cause of one or more conditions. Property: causeOf (MedicalEntity — condition(s) caused).

Full example of schema.org/MedicalCause json-ld markup

The markup is verified as valid with Rich Results Test from Google.

schema.org/MedicalCause

<script type="application/ld+json">
{
  "@context": "https://schema.org",
  "@type": "MedicalCause",
  "name": "Mycobacterium tuberculosis infection",
  "causeOf": [
    { "@type": "InfectiousDisease", "name": "Pulmonary tuberculosis" },
    { "@type": "InfectiousDisease", "name": "Miliary tuberculosis" },
    { "@type": "InfectiousDisease", "name": "Tuberculous meningitis" }
  ]
}
</script>

Minimal valid version

The smallest markup that still produces a valid MedicalCause entity. Use it as the floor. Reach for the advanced example above when you want search engines and AI agents to understand more about your content.

schema.org/MedicalCause (minimal)

<script type="application/ld+json">
{
  "@context": "https://schema.org",
  "@type": "MedicalCause",
  "name": "Example cause"
}
</script>

Google rich results this unlocks

MedicalCause is a structural type. It does not produce a rich result on its own.

Its value comes from combining it with a primary type whose markup earns a rich result (Article, Product, Event, and so on). MedicalCause becomes the trunk that the primary type branches off viamainEntityorbreadcrumb. Include it on every page as the backbone of your markup.

Common MedicalCause mistakes

Mistakes that pass validation but silently fail to earn rich results or mislead consumers walking the graph. Avoid these and your markup will be ahead of most sites in the wild.

01
MedicalCause on a symptom page
Wrong
```
MedicalCause for a sign like "fever"
```
Right
```
MedicalSign / MedicalSymptom for observable findings; MedicalCause for aetiological agents
```
Cause is the upstream aetiology (pathogen, gene, behaviour), not the downstream manifestation.

Schema properties in this example

MedicalCause MedicalEntity causeOf InfectiousDisease

Also mentioned in 1 other example

MedicalCause also appears in MedicalSignOrSymptom. See the full MedicalCause schema page for every reference.

About the example data

Mycobacterium tuberculosis as the causal entity linked to multiple TB forms in the Dunmore Archive.

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