gefitinib 250 MG Oral Tablet [Iressa]

RxNorm concept 402091, branded drug (sbd). Prescribable name: Iressa 250 MG Oral Tablet.

RxCUI: 402091
Term type: Branded drug (SBD)
Status: Active

Request

curl https://api.healthcare.dev/v1/drugs/rxnorm/402091 \
  -H "Authorization: Bearer $HDEV_API_KEY"

Concept

Ingredients and related concepts

Ingredients

gefitinib 328134

Other names

Iressa 250 MG Oral Tablet

Related concepts

gefitinib 250 MG (SCDC, consists of)
gefitinib 250 MG [Iressa] (SBDC, consists of)
Oral Tablet (DF, has dose form)
Iressa (BN, has ingredient)
gefitinib 250 MG Oral Tablet (SCD, tradename of)

Linked data

NDCs

00310048230

NDC-11s RxNorm links to this concept; linked ones open their FDA product.

Use it

Look up 402091 from code or an agent

curl

curl https://api.healthcare.dev/v1/drugs/rxnorm/402091 \
  -H "Authorization: Bearer $HDEV_API_KEY"

MCP prompt

Using the healthcare.dev MCP server, look up RxNorm concept 402091. Tell me its name and term type, its ingredients and related concepts, and the NDCs linked to it.

Get a free key RxNorm docs Connect the MCP server

Source: U.S. National Library of Medicine, release 2026-10-05. No license required (Current Prescribable Content). Reference data, not medical advice.