> ## Documentation Index
> Fetch the complete documentation index at: https://docs.metriport.com/llms.txt
> Use this file to discover all available pages before exploring further.

# MedicinalProductInteraction

> The interactions of the medicinal product with other medicinal products, or other forms of interactions.

## Properties

| Name | Required | Type | Description |
| - | - | - | - |
| subject | No | Reference\<[MedicinalProduct](/medical-api/fhir/resources/medicinalproduct) / [Medication](/medical-api/fhir/resources/medication) / [Substance](/medical-api/fhir/resources/substance)>\[] | The medication for which this is a described interaction |
| description | No | string | The interaction described |
| interactant | No | MedicinalProductInteractionInteractant | The specific medication, food or laboratory test that interacts |
| - id | No | string | Unique id for inter-element referencing |
| - extension | No | [Extension](/medical-api/fhir/data-types/extension)\[] | Additional content defined by implementations |
| - modifierExtension | No | [Extension](/medical-api/fhir/data-types/extension)\[] | Extensions that cannot be ignored even if unrecognized |
| - item\[x] | Yes | Reference\<[MedicinalProduct](/medical-api/fhir/resources/medicinalproduct) / [Medication](/medical-api/fhir/resources/medication) / [Substance](/medical-api/fhir/resources/substance) / [ObservationDefinition](/medical-api/fhir/resources/observationdefinition)>, [CodeableConcept](/medical-api/fhir/data-types/codeableconcept) | The specific medication, food or laboratory test that interacts |
| type | No | [CodeableConcept](/medical-api/fhir/data-types/codeableconcept) | The type of the interaction e.g. drug-drug interaction, drug-food interaction, drug-lab test interaction |
| effect | No | [CodeableConcept](/medical-api/fhir/data-types/codeableconcept) | The effect of the interaction, for example "reduced gastric absorption of primary medication" |
| incidence | No | [CodeableConcept](/medical-api/fhir/data-types/codeableconcept) | The incidence of the interaction, e.g. theoretical, observed |
| management | No | [CodeableConcept](/medical-api/fhir/data-types/codeableconcept) | Actions for managing the interaction |

## Search Parameters

| Name | Type | Description | Expression |
| - | - | - | - |
| subject | reference | The medication for which this is an interaction | MedicinalProductInteraction.subject |

## Inherited Properties

| Name | Required | Type | Description |
| - | - | - | - |
| id | No | string | Logical id of this artifact |
| meta | No | [Meta](/medical-api/fhir/data-types/meta) | Metadata about the resource |
| implicitRules | No | uri | A set of rules under which this content was created |
| language | No | code | Language of the resource content |
| text | No | [Narrative](/medical-api/fhir/data-types/narrative) | Text summary of the resource, for human interpretation |
| contained | No | Resource\[] | Contained, inline Resources |
| extension | No | [Extension](/medical-api/fhir/data-types/extension)\[] | Additional content defined by implementations |
| modifierExtension | No | [Extension](/medical-api/fhir/data-types/extension)\[] | Extensions that cannot be ignored |

To view the FHIR specification for this resource, see [MedicinalProductInteraction](https://www.hl7.org/fhir/StructureDefinition/MedicinalProductInteraction).


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