Mucus Relief Dm
20 mg + 400 mg · Tablet, Film Coated
- Available without prescription
- Expectorant
- Active substance
- Dextromethorphan Hbr and Guaifenesin
- Made by
- ARMY AND AIR FORCE EXCHANGE SERVICE
- Source
- Official label
Quoted from the official source. Not yet reviewed by Mediclarum — the leaflet in your pack is authoritative.
At a glance
Quoted from the official label · 2026-06-03
Cough suppressant Expectorant
- Cough due to minor throat and bronchial irritation associated with the common cold the intensity of coughing the impulse to cough to help
Adults and children 12 years and over:: 1 tablet every 4 hours.
Do not take more than 6 tablets in 24 hours.
Full directions ↓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.
All warnings ↓- Sold without a prescription
- FDA enforcement reports list no ongoing recall, and none from the last two years, for this product code · checked 2026-10-02
Every line above is selected, not written, from the official label. Nothing is reworded. DailyMed
What it is for
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 associated with the common cold the intensity of coughing the impulse to cough to help
- you get to sleep
From the official label · 2026-06-03 · DailyMed
Do not take it if
- 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.
Quoted from the official label, section “OTC — Do Not Use”.
How to take it
These directions are for this exact strength and form. Another one is different.
- do not take more than directed
- adults and children 12 years and over:
- 1 tablet every 4 hours.
- Do not take more than 6 tablets in 24 hours.
- children under 12 years:
- do not use
Quoted from the official label, section “Dosage & Administration”.
Ask a doctor first if
cough accompanied by too much phlegm (mucus) persistent or chronic cough such as occurs with smoking, asthma, chronic bronchitis, or emphysema
Quoted from the official label, section “OTC — Ask Doctor”.
Stop and get help if
cough persists more than 1 week, tends to recur, or is accompanied by a fever, rash, or persistent headache. These could be signs of a serious condition.
Quoted from the official label, section “OTC — Stop Use”.
Other warnings
- Do not use
- Ask a doctor before use
- if you have cough accompanied by too much phlegm (mucus) persistent or chronic cough such as occurs with smoking, asthma, chronic bronchitis, or emphysema
- When using this product
- do not exceed recommended dosage.
- Stop use and
- ask a doctor if cough persists more than 1 week, tends to recur, or is accompanied by a fever, rash, or persistent headache.
- Keep out of reach of children.
- do not exceed recommended dosage.
Quoted from the official label, section “Warnings”.
Pregnancy and breastfeeding
If pregnant or breast-feeding, ask a health professional before use.
Quoted from the official label, section “OTC — Pregnancy or Breast Feeding”.
Keep away from children
In case of overdose, get medical help or contact a Poison Control Center right away.
Quoted from the official label, section “OTC — Keep Out of Reach of Children”.
How to store it
- TAMPER EVIDENT:
- DO NOT USE IF OUTER PACKAGE IS OPENED OR BLISTER IS TORN OR BROKEN
- store at 25°C (77°F); excursions permitted between 15°-30°C (59°-86°F) see end flap for expiration date and lot number
Quoted from the official label, section “Storage and Handling”.
What kind of medicine it is
Cough suppressant Expectorant
Quoted from the official label, section “OTC — Purpose”.
Other ingredients
Relevant if you react to a dye, a preservative, lactose or gluten.
D&C yellow #10 aluminum lake, hypromellose, magnesium stearate, maltodextrin, microcrystalline cellulose, polyethylene glycol, povidone, silicon dioxide, sodium starch glycolate, stearic acid
Quoted from the official label, section “Inactive Ingredients”.
Questions about this product
1-800-426-9391
Quoted from the official label, section “OTC — Questions”.
Ingredients people check for
Lactose, gluten, dyes, sugars and other ingredients that matter with an allergy, intolerance or diet — as this product’s FDA label lists them.
- Colour dyes
D&C yellow #10 aluminum lake
Some people react to dyes such as tartrazine (Yellow 5) or carmine.
Quoted from the FDA label. A label that does not name an ingredient is not a guarantee that the product is free of it, and formulations change. With an allergy, check the pack and ask a pharmacist.
Every version of this medicine (15)
The same active substance, strength and kind of form, from every company that sells it — with what each label lists.
Showing 15 of 15
- Mucus Relief DmThis oneWithout prescriptionARMY AND AIR FORCE EXCHANGE SERVICEColour dyes
- Mucus Relief Cough and Congestion DmWithout prescriptionAdvance Pharmaceutical Inc.Names none of these
- Mucus Relief DmWithout prescriptionAdvanced Rx LLCNames none of these
- Mucus Relief Dm CoughWithout prescriptionAmerisource BergenColour dyes
- Mucus Relief DmWithout prescriptionBi-MartNames none of these
- Mucus Relief Cough and Congestion DmWithout prescriptionBryant Ranch PrepackNames none of these
- Mucus Relief Dm Cough Maximum StrengthWithout prescriptionCardinal Health 110, LLC. DBA LeaderColour dyes
- Chest Congestion Relief DmWithout prescriptionDOLGENCORP, LLCColour dyes
- Mucus Relief DmWithout prescriptionKROGER COMPANYNames none of these
- Mucus Relief Dm CoughWithout prescriptionL.N.K. International, Inc.Colour dyes
- Mucus Relief DmWithout prescriptionMeijer Distribution IncColour dyes
- Mucus DmWithout prescriptionMeijer Distribution, Inc.Colour dyes
- Mucus Relief Cough and Congestion DmWithout prescriptionRichmond Pharmaceuticals, IncNames none of these
- Medique Medi-MucusWithout prescriptionUnifirst First Aid CorporationNames none of these
- Mucus Relief DmWithout prescriptionWalgreen CompanyColour dyes
Details
| Made by | ARMY AND AIR FORCE EXCHANGE SERVICE |
|---|---|
| Active substance | Dextromethorphan Hbr and Guaifenesin |
| Used in | Breathing, airways, allergies and cough |
| Strength | 20 mg + 400 mg |
| Form | Tablet, Film Coated |
| Route | Oral |
| Packs | 3 BLISTER PACK in 1 CARTON / 10 TABLET, FILM COATED in 1 BLISTER PACK |
| NDC | 55301-533 |
Source: NDC Directory · 2026-09-13 · not reviewed by a clinician
Source: US Food and Drug Administration, NDC Directory. Reuse terms: US government work (FDA).
Other strengths and forms
41 products are sold under this name. Grouped by form; a number on a strength means several companies make it.
- Tablet, Extended Release20 products
30 mg + 600 mg4
30 mg + 600 mg · 4 companies
60 mg + 1200 mg5
600 mg + 30 mg7
1200 mg + 60 mg4
1200 mg + 60 mg · 4 companies
- Tablet14 products
20 mg + 400 mg6
20 mg + 400 mg · 6 companies
60 mg + 1200 mg2
60 mg + 1200 mg · 2 companies
- Tablet, Film Coated3 products
20 mg + 400 mg3
20 mg + 400 mg · 3 companies
- ARMY AND AIR FORCE EXCHANGE SERVICE · this page
- Meijer Distribution Inc
- Walgreen Company
- Solution2 products
20 mg/20mL + 400 mg/20mL2
20 mg/20mL + 400 mg/20mL · 2 companies
Show all forms · 6 forms
- Capsule, Liquid Filled1 products
- Liquid1 products
Same active substance
These contain the same substance. That does not mean one can replace another — ask a pharmacist.