promethazine Oral Solution

RxNorm concept 450999, clinical dose form (scdf).

RxCUI: 450999
Term type: Clinical dose form (SCDF)
Status: Active

Request

curl https://api.healthcare.dev/v1/drugs/rxnorm/450999 \
  -H "Authorization: Bearer $HDEV_API_KEY"

Concept

Ingredients and related concepts

Ingredients

promethazine 8745

Related concepts

Oral Solution (DF, has dose form)
promethazine (IN, has ingredient)

Linked data

NDCs

RxNorm links no NDCs to this concept.

Use it

Look up 450999 from code or an agent

curl

curl https://api.healthcare.dev/v1/drugs/rxnorm/450999 \
  -H "Authorization: Bearer $HDEV_API_KEY"

MCP prompt

Using the healthcare.dev MCP server, look up RxNorm concept 450999. 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.