isoniazid 100 MG Oral Tablet

RxNorm concept 311166, clinical drug (scd).

RxCUI: 311166
Term type: Clinical drug (SCD)
Status: Active

Request

curl https://api.healthcare.dev/v1/drugs/rxnorm/311166 \
  -H "Authorization: Bearer $HDEV_API_KEY"

Concept

Ingredients and related concepts

Ingredients

isoniazid 6038

Other names

INH 100 MG Oral Tablet

Related concepts

isoniazid 100 MG (SCDC, consists of)
Oral Tablet (DF, has dose form)

Linked data

NDCs

00143126001
00143126010
00185435101
00185435110
00185435130
00555006602
10135080401
50090041000
63629370701
64950021610
71335308301
72162244401
81665010710

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

Use it

Look up 311166 from code or an agent

curl

curl https://api.healthcare.dev/v1/drugs/rxnorm/311166 \
  -H "Authorization: Bearer $HDEV_API_KEY"

MCP prompt

Using the healthcare.dev MCP server, look up RxNorm concept 311166. 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.