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Maximum Strength Mucus Relief DM
Guaifenesin and Dextromethorphan HBr · Tablet, Extended Release
Overview
Active ingredients
Source: NDC DirectoryForms, strengths and routes
Source: NDC DirectoryPharmacologic classes are listed in the class section below.
Pharmacologic class
Source: NDC Directory| Class | Type | Browse |
|---|---|---|
| Decreased Respiratory Secretion Viscosity [PE] | PE | All 52 members |
| Expectorant [EPC] | EPC | All 48 members |
| Increased Respiratory Secretions [PE] | PE | All 48 members |
| Sigma-1 Agonist [EPC] | EPC | All 44 members |
| Sigma-1 Receptor Agonists [MoA] | MoA | All 44 members |
| Uncompetitive N-methyl-D-aspartate Receptor Antagonist [EPC] | EPC | All 44 members |
| Uncompetitive NMDA Receptor Antagonists [MoA] | MoA | All 44 members |
Regulatory status
Source: Drugs@FDANDC Directory| Product | Trade name | Form | Strength | Ingredient | Status | TE | Flags |
|---|---|---|---|---|---|---|---|
| 206941-001 | GUAIFENESIN AND DEXTROMETHORPHAN HYDROBROMIDE | TABLET, EXTENDED RELEASE | DEXTROMETHORPHAN HYDROBROMIDE; GUAIFENESIN | Over-the-counter | — | ||
| 206941-002 | GUAIFENESIN AND DEXTROMETHORPHAN HYDROBROMIDE | TABLET, EXTENDED RELEASE | DEXTROMETHORPHAN HYDROBROMIDE; GUAIFENESIN | Over-the-counter | — |
Approval history
Source: Drugs@FDA| Type | No. | Action | Status | Date | Review |
|---|---|---|---|---|---|
| Original application | 1 | Approved | March 17, 2017 | Standard |
Prescribing information
Source: openFDA Drug LabelingReproduced verbatim from the Structured Product Labeling submitted to the FDA (effective 20260828). This is the manufacturer's labelling text, not a summary and not advice.
Indications and Usage
openFDA Drug LabelingUses helps loosen phlegm (mucus) and thin bronchial secretions to rid the bronchial passageways of bothersome mucus and make coughs more productive temporarily relieves: cough due to minor throat and bronchial irritation as may occur with the common cold or inhaled irritants the intensity of coughing the impulse to cough to help you get to sleep
Purpose
openFDA Drug LabelingPurposes Cough suppressant Expectorant
Dosage and Administration
openFDA Drug LabelingDirections do not crush, chew, or break extended-release tablet take with a full glass of water this product can be administered without regard for timing of meals adults and children 12 years and older: 1extended-release tablet every 12 hours; not more than 2 extended-release tablets in 24 hours children under 12 years of age: do not use
Warnings
openFDA Drug LabelingWarnings Do not use for children under 12 years of age if you are now taking a prescription monoamine oxidase inhibitor (MAOI) (certain drugs for depression, psychiatric or emotional conditions, or Parkinson’s disease), or for 2 weeks after stopping the MAOI drug. If you do not know if your prescription drug contains an MAOI, ask a doctor or pharmacist before taking this product.
Ask a Doctor
openFDA Drug LabelingAsk a doctor before use if you have persistent or chronic cough such as occurs with smoking, asthma, chronic bronchitis, or emphysema cough accompanied by too much phlegm (mucus)
Stop Use
openFDA Drug LabelingStop use and ask a doctor if cough lasts more than 7 days, comes back, or occurs with fever, rash, or persistent headache. These could be signs of a serious illness.
Active Ingredient
openFDA Drug LabelingActive ingredients (in each extended-release tablet) Dextromethorphan Hydrobromide USP 60 mg Guaifenesin USP 1200 mg
Adverse event reports
Source: openFDA FAERSAttributed to this product's most-reported active ingredient: GUAIFENESIN. Combination products with more than six active ingredients are not attributed, because a report count summed across a long ingredient list measures the list, not the medicine.
Packaging and NDCs
Source: NDC Directory| Package NDC | Product NDC | Labeler | Description | Marketing start |
|---|---|---|---|---|
| 0363-0510-65 | 0363-0510 | WALGREEN CO. | 2 BLISTER PACK in 1 CARTON (0363-0510-65) / 7 TABLET, EXTENDED RELEASE in 1 BLISTER PACK | March 17, 2017 |
| 0363-0510-70 | 0363-0510 | WALGREEN CO. | 4 BLISTER PACK in 1 CARTON (0363-0510-70) / 7 TABLET, EXTENDED RELEASE in 1 BLISTER PACK | March 17, 2017 |
| 0363-0510-99 | 0363-0510 | WALGREEN CO. | 6 BLISTER PACK in 1 CARTON (0363-0510-99) / 7 TABLET, EXTENDED RELEASE in 1 BLISTER PACK | March 17, 2017 |
| 49035-956-61 | 49035-956 | Wal-Mart Stores, Inc. | 1 BOTTLE in 1 CARTON (49035-956-61) / 28 TABLET, EXTENDED RELEASE in 1 BOTTLE | March 17, 2017 |
| 49035-956-65 | 49035-956 | Wal-Mart Stores, Inc. | 1 BOTTLE in 1 CARTON (49035-956-65) / 14 TABLET, EXTENDED RELEASE in 1 BOTTLE | March 17, 2017 |
| 0363-0510 | 0363-0510 | WALGREEN CO. | — | March 17, 2017 |
| 49035-956 | 49035-956 | Wal-Mart Stores, Inc. | — | March 17, 2017 |
Sources for this page
| Dataset | Agency | Used for |
|---|---|---|
| NDC Directory | FDA | Identity, ingredients, strengths, forms, routes, labelers, packages |
| Drugs@FDA | FDA | Application, sponsor, submissions, review documents, marketing status |
| Drug Labeling | FDA / NLM | Prescribing information reproduced above |
| FAERS | FDA | Adverse event report counts |
Generated September 25, 2026 · 10 sections on this page.