theophylline 200 MG Extended Release Oral Tablet

RxNorm concept 346574, clinical drug (scd).

RxCUI: 346574
Term type: Clinical drug (SCD)
Status: Active

Request

curl https://api.healthcare.dev/v1/drugs/rxnorm/346574 \
  -H "Authorization: Bearer $HDEV_API_KEY"

Concept

Ingredients and related concepts

Ingredients

theophylline 10438

Related concepts

theophylline 200 MG (SCDC, consists of)
Extended Release Oral Tablet (DF, has dose form)

Linked data

NDCs

00258358301
00258358305
00258358310
29033005801
63629279201
63629279202
71321050110

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

Use it

Look up 346574 from code or an agent

curl

curl https://api.healthcare.dev/v1/drugs/rxnorm/346574 \
  -H "Authorization: Bearer $HDEV_API_KEY"

MCP prompt

Using the healthcare.dev MCP server, look up RxNorm concept 346574. 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.