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12 HR guaifenesin 600 MG Extended Release Oral Tablet — RxCUI 636522

RxNorm drug concept · Semantic clinical drug
RxCUI 636522 Semantic clinical drug · SCD ● Current RxNorm concept 122 FDA products 220 package NDCs Snapshot Jul 14, 2026

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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

RxCUI636522
Official name12 HR guaifenesin 600 MG Extended Release Oral Tablet
Concept typeSemantic clinical drug (SCD)
RxNorm statusCurrent RxNorm concept
Also known asguaiFENesin 600 MG 12HR Extended Release Oral Tablet
FDA products mapped122
Package NDCs mapped220
Reported Medicaid activity (SDUD)318,799 prescriptions · 35 state & territory Medicaid programs · latest period Q4 2025
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 12 HR guaifenesin 600 MG Extended Release Oral T... 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 12 HR guaifenesin 600 MG Extended Release Oral Tablet RxCUI 636522

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

  1. Ingredients 1

    The active substance itself — no strength, form, or brand attached yet.

    • Guaifenesin 5032
  2. Brand names 1

    The same medicine's trade names. A brand name alone says nothing about strength or form.

    • Mucinex 352777
  3. Dose forms 9

    The ingredient poured into a form — tablet, solution, cream — still without one fixed strength.

    • Guaifenesin Extended Release Oral Tablet 372361
    • Guaifenesin Oral Product 1159704
    • Guaifenesin Pill 1159705
    • Guaifenesin Extended Release Oral Tablet [Mucinex] 369921
    • Mucinex Oral Product 1183335
    • Mucinex Pill 1183336
    • Extended Release Oral Tablet 316945
    • Oral Product 1151131
    • +1 more in this family
  4. Clinical & branded drugs 3

    Ingredient + strength + dose form. These are the concepts real FDA products actually carry.

Showing up to 8 concepts per family — 13 of 14 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 600 MG SCDC · 316020
  • Guaifenesin Extended Release Oral Tablet SCDF · 372361
  • Guaifenesin Oral Product SCDG · 1159704
  • Guaifenesin Pill SCDG · 1159705

Brand-Name Concepts

📦 FDA Products & Package NDCs

122 products · 220 package NDCs
220 package NDCs map to RxCUI 636522 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
00113-2023-58 1 BOTTLE in 1 CARTON (0113-2023-58) / 40 TABLET, MULTILAYER... good sense mucus er L. Perrigo Company 2023-07-19
00113-2023-60 1 BOTTLE in 1 CARTON (0113-2023-60) / 20 TABLET, MULTILAYER... good sense mucus er L. Perrigo Company 2020-07-04
00363-0028-96 1 BLISTER PACK in 1 CARTON (0363-0028-96) / 20 TABLET, EXTE... Guaifenesin WALGREEN CO. 2020-05-08
00363-0028-97 2 BLISTER PACK in 1 CARTON (0363-0028-97) / 20 TABLET, EXTE... Guaifenesin WALGREEN CO. 2020-05-08
00363-0028-98 5 BLISTER PACK in 1 CARTON (0363-0028-98) / 20 TABLET, EXTE... Guaifenesin WALGREEN CO. 2020-05-08
00363-0931-10 100 BLISTER PACK in 1 CARTON (0363-0931-10) / 1 TABLET in 1... Mucus Relief Extended Release Walgreens 2018-08-31
00363-0931-20 20 BLISTER PACK in 1 CARTON (0363-0931-20) / 1 TABLET in 1... Mucus Relief Extended Release Walgreens 2018-08-31
00363-0931-40 40 BLISTER PACK in 1 CARTON (0363-0931-40) / 1 TABLET in 1... Mucus Relief Extended Release Walgreens 2018-08-31
00363-9569-02 20 TABLET in 1 BLISTER PACK (0363-9569-02) Guaifenesin Walgreens 2024-07-19
00363-9569-04 40 TABLET in 1 BLISTER PACK (0363-9569-04) Guaifenesin Walgreens 2024-07-19
00536-1163-61 100 BLISTER PACK in 1 CARTON (0536-1163-61) / 1 TABLET, EXT... Mucus Relief Extended Release Rugby Laboratories, Inc. 2018-08-31
00536-1489-20 2 BLISTER PACK in 1 CARTON (0536-1489-20) / 20 TABLET, MULT... RUGBY MUCUS RELIEF ER Rugby Laboratories 2026-06-15
00615-8637-39 30 TABLET, EXTENDED RELEASE in 1 BLISTER PACK (0615-8637-39) Mucus Relief NCS HealthCare of KY, LLC dba Vangard Labs 2026-05-21
00904-6718-39 100 BLISTER PACK in 1 CARTON (0904-6718-39) / 1 TABLET, EXT... Mucus Relief ER Major Pharmaceuticals 2018-09-30
00904-6986-40 500 TABLET, EXTENDED RELEASE in 1 BOTTLE (0904-6986-40) Mucus Relief Major Pharmaceuticals 2019-09-23
11673-0421-01 1 BLISTER PACK in 1 CARTON (11673-421-01) / 20 TABLET, MULT... up and up mucus relief Target Corporation 2025-09-17
11673-0539-02 20 TABLET in 1 BLISTER PACK (11673-539-02) Guaifenesin TARGET CORPORATION 2024-08-01
11673-0731-20 20 BLISTER PACK in 1 CARTON (11673-731-20) / 1 TABLET in 1... Mucus Relief Extended-Release TARGET Corporation 2018-07-11
11673-0731-40 40 BLISTER PACK in 1 CARTON (11673-731-40) / 1 TABLET in 1... Mucus Relief Extended-Release TARGET Corporation 2018-07-11
11822-2123-00 1 BLISTER PACK in 1 CARTON (11822-2123-0) / 20 TABLET, MULT... mucus relief Rite Aid Corporation 2023-04-12
11822-2123-01 2 BLISTER PACK in 1 CARTON (11822-2123-1) / 20 TABLET, MULT... mucus relief Rite Aid Corporation 2022-12-05
11822-3252-07 40 BLISTER PACK in 1 CARTON (11822-3252-7) / 1 TABLET in 1... Mucus Relief Rite Aid Corporation 2021-09-24
17856-0008-02 1 TABLET, EXTENDED RELEASE in 1 BLISTER PACK (17856-0008-2) Mucinex ATLANTIC BIOLOGICAS CORP. 2024-06-05
21130-0179-67 1 BLISTER PACK in 1 CARTON (21130-179-67) / 20 TABLET, EXTE... Guaifenesin Better Living Brands LLC 2022-04-15
25000-0041-12 500 TABLET in 1 BOTTLE (25000-041-12) Guaifenesin 1200 mg MARKSANS PHARMA LIMITED 2023-08-23
25000-0041-34 2 BLISTER PACK in 1 CARTON (25000-041-34) / 14 TABLET in 1... Guaifenesin 1200 mg MARKSANS PHARMA LIMITED 2025-04-18
25000-0041-75 2 BLISTER PACK in 1 CARTON (25000-041-75) / 6 TABLET in 1 B... Guaifenesin 1200 mg MARKSANS PHARMA LIMITED 2023-08-23
25000-0042-01 1 BOTTLE in 1 CARTON (25000-042-01) / 20 TABLET in 1 BOTTLE Guaifenesin 600 mg MARKSANS PHARMA LIMITED 2023-08-23
25000-0042-12 500 TABLET in 1 BOTTLE (25000-042-12) Guaifenesin 600 mg MARKSANS PHARMA LIMITED 2023-08-23
25000-0042-55 2 BLISTER PACK in 1 CARTON (25000-042-55) / 10 TABLET in 1... Guaifenesin 600 mg MARKSANS PHARMA LIMITED 2023-08-23
25000-0042-99 2 BLISTER PACK in 1 CARTON (25000-042-99) / 20 TABLET in 1... Guaifenesin 600 mg MARKSANS PHARMA LIMITED 2025-04-18
30142-0961-20 1 BLISTER PACK in 1 CARTON (30142-961-20) / 20 TABLET, EXTE... GUAIFENESIN Kroger Company 2022-04-28
36800-0137-20 20 BLISTER PACK in 1 CARTON (36800-137-20) / 1 TABLET in 1... Mucus Relief TOP CARE (Topco Associates LLC) 2019-03-31
36800-0226-16 100 TABLET, EXTENDED RELEASE in 1 BOTTLE (36800-226-16) Topco Mucus Relief Topco Associates, LLC 2021-06-01
37808-0830-20 1 BOTTLE, PLASTIC in 1 BOX (37808-830-20) / 20 TABLET, EXTE... Mucus Relief H E B 2023-06-05
37808-0935-40 1 BOTTLE, PLASTIC in 1 BOX (37808-935-40) / 40 TABLET in 1... Mucus Relief H E B 2021-05-28
37835-0408-40 40 TABLET in 1 BOTTLE (37835-408-40) Mucus Relief Bi-Mart 2025-05-01
41163-0731-20 20 BLISTER PACK in 1 CARTON (41163-731-20) / 1 TABLET in 1... Mucus Relief United Natural Foods, Inc. dba UNFI 2018-09-30
41226-0723-02 1 BLISTER PACK in 1 CARTON (41226-723-02) / 20 TABLET, EXTE... Mucus Relief KROGER COMPANY 2024-05-21
41250-0684-02 5 BLISTER PACK in 1 CARTON (41250-684-02) / 20 TABLET, MULT... mucus relief Meijer Distribution Inc 2021-09-15
41250-0684-58 1 BOTTLE in 1 CARTON (41250-684-58) / 40 TABLET, MULTILAYER... mucus relief Meijer Distribution Inc 2020-08-19
41250-0684-60 1 BOTTLE in 1 CARTON (41250-684-60) / 20 TABLET, MULTILAYER... mucus relief Meijer Distribution Inc 2020-08-07
41415-0996-20 1 BLISTER PACK in 1 CARTON (41415-996-20) / 20 TABLET, EXTE... GUAIFENESIN Publix Super Markets, Inc 2018-02-08
41520-0731-20 20 BLISTER PACK in 1 CARTON (41520-731-20) / 1 TABLET in 1... Mucus Relief Extended Release Care One (American Sales Company) 2018-12-31
42507-0202-60 1 BOTTLE in 1 CARTON (42507-202-60) / 20 TABLET, MULTILAYER... mucus er HyVee Inc 2026-01-28
42507-0253-03 2 BLISTER PACK in 1 CARTON (42507-253-03) / 20 TABLET, EXTE... Mucus Relief HYVEE INC 2026-01-13
42681-0057-01 1 BOTTLE in 1 CARTON (42681-0057-1) / 20 TABLET, EXTENDED R... 365 WHOLE FOODS MARKET GUAIFENESIN Whole Foods Market, Inc. 2026-01-23
43598-0008-01 5 BLISTER PACK in 1 CARTON (43598-008-01) / 20 TABLET, EXTE... Guaifenesin 600 mg Dr. Reddy's Laboratories Inc. 2022-09-01
43598-0008-40 2 BLISTER PACK in 1 CARTON (43598-008-40) / 20 TABLET, EXTE... Guaifenesin 600 mg Dr. Reddy's Laboratories Inc. 2022-03-15
43598-0009-25 2 BLISTER PACK in 1 CARTON (43598-009-25) / 14 TABLET, EXTE... Guaifenesin 1200 mg Dr. Reddy's Laboratories Inc. 2022-03-15
Observed labelers: Bryant Ranch Prepack (15) · Aurohealth LLC (14) · Guardian Drug Company (14) · Reckitt Benckiser LLC (12) · Granules India Ltd (9) · MARKSANS PHARMA LIMITED (7) · +75 more — 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.