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Guaifenesin 400 MG / pseudoephedrine hydrochloride 40 MG Oral Tablet — RxCUI 1090623

Name: Guaifenesin 400 MG / pseudoephedrine hydrochloride 40 MG Oral Tablet (RxCUI 1090623)
Creator: Brian Staiger, PharmD

RxNorm drug concept · Semantic clinical drug

RxCUI 1090623 Semantic clinical drug · SCD ● Current RxNorm concept 1 FDA product 1 package NDC Snapshot Jul 14, 2026

This page is curated, coded, and maintained by Dr. Brian Staiger, PharmD

Compiled from public NLM RxNorm and FDA (openFDA NDC directory) data sources. Editorial policy

What you’re looking at: the standardized identity of one medicine, as the U.S. drug-data system sees it. Below — every FDA-listed product, package code, price benchmark, and billing code that maps to it.

🗂️ Key Facts

RxCUI1090623

Official nameGuaifenesin 400 MG / pseudoephedrine hydrochloride 40 MG Oral Tablet

Concept typeSemantic clinical drug (SCD)

RxNorm statusCurrent RxNorm concept

Also known asguaiFENesin 400 MG / pseudoephedrine HCl 40 MG Oral Tablet

FDA products mapped1

Package NDCs mapped1

RxNorm release07/06/2026

Snapshot dataJul 14, 2026

📖 Skip the Codes — Read It in Plain English.

Our pharmacist-built guide to Guaifenesin: what it is, how it’s used, side effects, and interactions.

📗 Our plain-language guide HelloPharmacist

Guaifenesin doesn't suppress your cough — it actually makes it work better. It loosens and thins the mucus in your chest so your cough can move it out of your airways more effectiv...
What exactly does guaifenesin do — does it actually stop my cough?
No — extended-release tablets like 12 Hour Mucus Relief and 365 Whole Foods Market Guaifenesin must be swallowed whole. Crushing, chewing, or breaking them releases the medicine al...
Can I crush or split the extended-release tablet to make it easier to swallow?

📖 Read our full Guaifenesin guide →

🕸️ Concept Web — How Guaifenesin 400 MG / pseudoephedrine hydrochlori... Connects

One RxCUI never lives alone. Follow the path from the raw ingredient down to the exact strength-and-form concepts FDA products carry — every stop is a real RxNorm concept with its own identifier. Hover or focus any chip for what it means.

This page's concept Guaifenesin 400 MG / pseudoephedrine hydrochloride 40 MG Oral Tablet RxCUI 1090623 Semantic clinical drug · SCD

Every web starts here: one RxCUI, one fixed meaning in the RxNorm vocabulary.

Ingredients 4

The active substance itself — no strength, form, or brand attached yet.
- Guaifenesin 5032 IN
- Pseudoephedrine 8896 IN
- Guaifenesin / pseudoephedrine 214599 MIN
- Pseudoephedrine hydrochloride 91168 PIN
Dose forms 9

The ingredient poured into a form — tablet, solution, cream — still without one fixed strength.
- Guaifenesin / pseudoephedrine Oral Tablet 373691 SCDF
- Guaifenesin / pseudoephedrine hydrochloride Oral Tablet 2646441 SCDFP
- Guaifenesin / pseudoephedrine Oral Product 1159127 SCDG
- Guaifenesin / pseudoephedrine Pill 1159128 SCDG
- Guaifenesin / pseudoephedrine hydrochloride Oral Product 2659873 SCDGP
- Guaifenesin / pseudoephedrine hydrochloride Pill 2659515 SCDGP
- Oral Tablet 317541 DF
- Oral Product 1151131 DFG
- +1 more in this family
Clinical & branded drugs 2

Ingredient + strength + dose form. These are the concepts real FDA products actually carry.
- Guaifenesin 400 MG 316015 SCDC
- Pseudoephedrine hydrochloride 40 MG 996717 SCDC

Showing up to 8 concepts per family — 14 of 15 stored related concepts drawn.

These are official RxNorm vocabulary relationships — how concepts name and organize the same medicine. They do not establish therapeutic equivalence or substitutability: two concepts appearing in one web is never a statement that products can be swapped.

🔀 Generic ⇄ Brand Crosswalk

The same medicine has an unbranded (generic) identity and one or more brand-name identities — each with its own RxCUI. This is a naming relationship in RxNorm, not a statement that any two products are substitutable.

Generic (Clinical) Concepts

Guaifenesin 400 MG SCDC · 316015
Pseudoephedrine hydrochloride 40 MG SCDC · 996717
Guaifenesin / pseudoephedrine Oral Tablet SCDF · 373691
Guaifenesin / pseudoephedrine hydrochloride Oral Tablet SCDFP · 2646441
Guaifenesin / pseudoephedrine Oral Product SCDG · 1159127
Guaifenesin / pseudoephedrine Pill SCDG · 1159128
Guaifenesin / pseudoephedrine hydrochloride Oral Product SCDGP · 2659873
Guaifenesin / pseudoephedrine hydrochloride Pill SCDGP · 2659515

📦 FDA Products & Package NDCs

1 product · 1 package NDC

1 package NDC map to RxCUI 1090623 in the current snapshot — up to 50 per page. Each linked NDC opens its full package page.

Package NDC	Package	Brand / generic name	Labeler	Marketing start
41250-0547-72	3 BLISTER PACK in 1 CARTON (41250-547-72) / 9 TABLET, FILM...	Mucus Relief D	Meijer Distribution Inc	2007-01-26

Observed labelers: Meijer Distribution Inc (1) — this is the FDA-listed mapping footprint, not sales, inventory, availability, or market share.

🗃️ Sources & Limits

Atlas generation902fddb9-e9c1-4004-bf4c-dba4d51037c7

openFDA export observedJul 14, 2026

RxNorm release07/06/2026

Methodology2026-07-full-catalog-v1

A shared RxCUI does not prove interchangeability. Products mapped to the same concept are not thereby equivalent or substitutable — equivalence is a separate, product-level determination.
Listing here does not establish approval or coverage. Appearing in this snapshot is a data observation, not an FDA approval status or a payer coverage decision.
Missing data never means zero. A silent dataset (no price, no billing code, no utilization) means no observation — not that the real-world value is zero.
Counts describe the mapping footprint. Product, package, and labeler counts are the FDA-listed mapping footprint in this snapshot — not sales, inventory, availability, or market share.

This product uses publicly available data from the U.S. National Library of Medicine (NLM), National Institutes of Health, Department of Health and Human Services; NLM is not responsible for the product and does not endorse or recommend this or any other product.

Machine-readable JSON

Reference information about drug-concept identifiers and public regulatory data — not medical advice. Talk to your pharmacist or prescriber about your own medication.