Mucinex Fast-Max Dm Max Honey and Berry Flavor
20 mg/20mL + 400 mg/20mL · Solution
- Available without prescription
- Expectorant
- Active substance
- Dextromethorphan Hydrobromide and Guaifenesin
- Made by
- Reckitt Benckiser LLC
- 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 · 2026-08-18
Active ingredients (in each 20 mL) Purposes Dextromethorphan HBr 20 mg Cough suppressant Guaifenesin 400 mg Expectorant
- 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
Adults and children 12 years of age and over:: 20 mL in dosing cup provided every 4 hours
do not take more than 6 doses in any 24-hour period measure only with dosing cup provided
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 as may occur with the common cold or inhaled irritants the intensity of coughing the impulse to cough to help
- you get to sleep
From the official label · 2026-08-18 · 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 6 doses in any 24-hour period measure only with dosing cup provided
- do not use dosing cup with other products dose as follows or as directed by a doctor
- adults and children 12 years of age and over:
- 20 mL in dosing cup provided every 4 hours
- children under 12 years of age:
- do not use
Quoted from the official label, section “Dosage & Administration”.
Ask a doctor first if
persistent or chronic cough such as occurs with smoking, asthma, chronic bronchitis, or emphysema cough that occurs with too much phlegm (mucus)
Quoted from the official label, section “OTC — Ask Doctor”.
Stop and get help if
cough lasts more than 7 days, comes back, or occurs with fever, rash, or headache that lasts. 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 persistent or chronic cough such as occurs with smoking, asthma, chronic bronchitis, or emphysema cough that occurs with too much phlegm (mucus)
- When using this product
- do not use more than directed
- Stop use and
- ask a doctor if cough lasts more than 7 days, comes back, or occurs with fever, rash, or headache that lasts.
- Keep out of reach of children.
- do not use more than directed
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
each 20 mL contains: sodium 12 mg store at 20-25°C (68-77°F) do not refrigerate
Quoted from the official label, section “Storage and Handling”.
What kind of medicine it is
Active ingredients (in each 20 mL) Purposes Dextromethorphan HBr 20 mg Cough suppressant Guaifenesin 400 mg Expectorant
Quoted from the official label, section “OTC — Purpose”.
Other ingredients
Relevant if you react to a dye, a preservative, lactose or gluten.
ammonium glycyrrhizate, anhydrous citric acid, edetate disodium, flavors, glycerin (soy), propylene glycol, purified water, sodium benzoate, sorbitol, sucralose, xanthan gum
Quoted from the official label, section “Inactive Ingredients”.
Questions about this product
1-866-MUCINEX (1-866-682-4639) You may also report side effects to this phone number.
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.
- Sugar alcohols
sorbitol
Sorbitol and similar can upset the stomach and matter with fructose intolerance. - Soy
glycerin (soy)
Matters with a soy allergy.
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
- Mucinex Fast-Max Dm Max Honey and Berry FlavorThis oneWithout prescriptionReckitt Benckiser LLCSugar alcoholsSoy
- Good Neighbor Pharmacy Tussin Dm MaxWithout prescriptionAmerisource BergenColour dyesSugar alcohols
- Daytime Cough and Chest Congestion DmWithout prescriptionCVS WOONSOCKET PRESCRIPTION CENTER, INCORPORATEDColour dyesSugar alcohols
- Maxium Strength Dm MaxWithout prescriptionDiscount Drug MartColour dyesSugarsSugar alcohols
- Maximum Strength Dm MaxWithout prescriptionH E BColour dyesSugarsSugar alcohols
- Mucus Relief Dm Honey and Berry FlavorWithout prescriptionRARITAN PHARMACEUTICALS INCSugar alcohols
- Delsym Cough Plus Chest Congestion DmWithout prescriptionReckitt Benckiser LLCColour dyesSugar alcoholsSoy
- Mucinex Fast-Max Dm MaxWithout prescriptionReckitt Benckiser LLCColour dyesSugar alcoholsSoy
- Tussin Cough Chest CongestionWithout prescriptionRite Aid CorporationColour dyesSugar alcohols
- Axim Dm MaxWithout prescriptionVIVUNT PHARMA LLCColour dyesSugar alcohols
- Axiv Dm MaxWithout prescriptionVIVUNT PHARMA LLCColour dyesSugar alcohols
- Maximum Strength Mucus Relief DmWithout prescriptionWal-Mart Stores,Inc.,Colour dyesSugar alcohols
- Tussin Dm MaxWithout prescriptionWalgreen CompanyColour dyesSugar alcohols
- Walgreen Cough and Chest CongestionWithout prescriptionWALGREEN COMPANYColour dyesSugar alcohols
- Mucus Relief Dm Honey and Berry FlavorWithout prescriptionWALGREENS CO.Sugar alcohols
Same active substance, strength and form in other countries
Matched on active substance, strength and kind of form only. This is not a statement that the products are equivalent or interchangeable: other ingredients, release and approved uses can differ — ask a pharmacist before swapping.
Medicine passport: one printable page to show a pharmacist abroad
CanadaNo exact match for this strength and form
Details
| Made by | Reckitt Benckiser LLC |
|---|---|
| Active substance | Dextromethorphan Hydrobromide and Guaifenesin |
| Used in | Breathing, airways, allergies and cough |
| Strength | 20 mg/20mL + 400 mg/20mL |
| Form | Solution |
| Route | Oral |
| Packs | 180 mL in 1 BOTTLE |
| NDC | 63824-535 |
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).
Same active substance
These contain the same substance. That does not mean one can replace another — ask a pharmacist.
See every product with Dextromethorphan Hydrobromide and Guaifenesin