GET /REST/rxcui/{rxcui}/allrelated

nih.gov:rxnorm-api

Summary: Get all related concepts
Operation ID: getAllRelatedConcepts
Auth: none
Description

Returns all concepts related to a specified concept, grouped by term type.

Parameters (1)

rxcui (string, path, required)

The RxNorm Concept Unique Identifier

Examples (3)

TitleTypeURLAction
Get all related concepts for Acetaminophen curl https://rxnav.nlm.nih.gov/REST/rxcui/161/allrelated
Get all related concepts for Ibuprofen curl https://rxnav.nlm.nih.gov/REST/rxcui/5640/allrelated
Get all related concepts for Aspirin curl https://rxnav.nlm.nih.gov/REST/rxcui/1191/allrelated

Probe History

Latency

Status Codes

TimeStatusLatencySize
2026-03-23 10:36:53.479239 200 656ms
2026-03-23 10:20:52.662919 200 965ms
2026-03-23 09:23:07.678507 200 613ms

Response Changes

WhenOldNew
2026-03-23 10:20:52.662919 06a4cd767315 89c3f678ca3f
2026-03-23 10:36:53.479239 89c3f678ca3f 945f540b9a19