Quick answers
- What is Dexbrompheniramine, dextromethorphan and pseudoephedrine used for?
- The Drug Facts label of M-End Dmx (R. A. McNeil Company) lists these uses: temporarily relieves these symptoms due to the common cold, hay fever (allergic rhinitis) or other upper respiratory allergies: runny nose sneezing itching of the nose or throat itchy, watery eyes cough due to minor throat and bronchial irritation nasal congestion reduces swelling of nasal passages.
- Do I need a prescription for Dexbrompheniramine, dextromethorphan and pseudoephedrine?
- No. The products on this page are sold without a prescription (over the counter).
- Is a store brand the same as the name brand?
- Products listed together below have the same active ingredients, in the same amount and the same form, as registered with the FDA. Inactive ingredients (such as colors, flavors and fillers) and package sizes can differ. Compare the “Active ingredient” box on both packages, and ask a pharmacist if you are not sure.
- Has Dexbrompheniramine, dextromethorphan and pseudoephedrine been recalled?
- No recall linked to these products appears in the FDA enforcement reports we use.
Drug Facts label
Every over-the-counter medicine must carry a “Drug Facts” box in the same order, set by FDA rules. Below is the label of one product for each common strength and form, quoted word for word. Your own package can differ (for example, children’s products have other directions): always follow the label on your package.
M-End Dmx · R. A. McNeil Company
Dexbrompheniramine maleate 0.667 mg/5 mL · Dextromethorphan hydrobromide 10 mg/5 mL · Pseudoephedrine hydrochloride 20 mg/5 mL, liquid (oral)
Active ingredient
Drug Facts Active ingredients (in each 5 mL teaspoonful) Dexbrompheniramine Maleate 0.667 mg Dextromethorphan HBr 10 mg Pseudeophedrine HCl 20 mg Purpose Antihistamine Antitussive Cough Suppressant Nasal Decongestant
Purpose
Antihistamine Antitussive Cough Suppressant Nasal Decongestant
Uses
temporarily relieves these symptoms due to the common cold, hay fever (allergic rhinitis) or other upper respiratory allergies: runny nose sneezing itching of the nose or throat itchy, watery eyes cough due to minor throat and bronchial irritation nasal congestion reduces swelling of nasal passages
Warnings
Do not exceed recommended dosage.
Do not use
this product 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 before use if
you have a breathing problem such as emphysema or chronic bronchitis glaucoma trouble urinating due to an enlarged prostate gland a cough that lasts or is chronic such as occurs with smoking, asthma or emphysema a cough that occurs with too much phlegm (mucus) heart disease high blood pressure thyroid disease diabetes
Ask a doctor or pharmacist before use if
you are taking sedatives or tranquilizers.
When using this product
excitability may occur, especially in children may cause marked drowsiness avoid alcoholic drinks alcohol, sedatives, and tranquilizes may increase the drowsiness effect be careful when driving a motor vehicle or operating machinery
Stop use and ask a doctor if
cough or nasal congestion persists for more than 1 week, tends to recur, or is accompanied by a fever, rash or persistent headache. A persistent cough may be a sign of a serious condition. nervousness, dizziness, or sleeplessness occur new symptoms occur
If pregnant or breast-feeding
ask a health professional before use.
Keep out of reach of children
In case of overdose, get medical help or contact a Poison Control Center right away.
Directions
Do not exceed 4 doses in a 24 hour period.
| Adults and children 12 years of age and over: | 3 teaspoonfuls (15 mL) every 6 hours, not to exceed 12 teaspoonfuls in 24 hours |
| Children 6 to under 12 years of age: | 1 1/2 teaspoonfuls (7.5 mL) every 6 hours, not to exceed 6 teaspoonfuls in 24 hours |
| Children under 6 years of age: | Consult a Physician. |
Inactive ingredients
Bitter Mask, Citric Acid, Glycerin, Propylene Glycol, Purified Water, Sodium Citrate, Sodium Saccharin, Sorbitol, Sucralose, Tutti Frutti Flavor.
Questions?
Comments? Call 1-423-493-9170
— FDA label of M-End Dmx, R. A. McNeil Company, effective October 15, 2025. See the official label on DailyMed →
Duratuss Dm · Poly Pharmaceuticals, Inc.
Dexbrompheniramine maleate 1 mg/5 mL · Dextromethorphan hydrobromide 10 mg/5 mL · Pseudoephedrine hydrochloride 30 mg/5 mL, liquid (oral)
Active ingredient
Active Ing redients (in each 5 mL teaspoonful) Dexbrompheniramine Maleate 1 mg Dextromethorphan Hydrobromide 10 mg Pseudoephedrine Hydrochloride 30 mg
Purpose
Antihistamine Antitussive Nasal Decongestant
Uses
temporarily relieves these symptoms due to the common cold, hay fever (allergic rhinitis) or other upper respiratory allergies: runny nose sneezing itching of nose or throat itchy, watery eyes cough due to minor throat and bronchial irritation nasal congestion reduces swelling of nasal passages
Warnings
Do not exceed recommended dosage.
Do not use
this product 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 before use if
you have a breathing problem such as emphysema or chronic bronchitis glaucoma trouble urinating due to an enlarged prostate gland a cough that lasts or is chronic such as occurs with smoking, asthma or emphysema a cough that occurs with too much phlegm (mucus) heart disease high blood pressure thyroid disease diabetes
Ask a doctor or pharmacist before use if
you are taking sedatives or tranquilizers.
When using this product
excitability may occur, especially in children may cause marked drowsiness avoid alcoholic drinks alcohol, sedatives, and tranquilizers may increase the drowsiness effect be careful when driving a motor vehicle or operating machinery
Stop use and ask a doctor if
nervousness, dizziness, or sleeplessness occur cough or nasal congestion persists for more than 1 week, tends to recur, or is accompanied by a fever, rash, or persistent headache. A persistent cough may be a sign of a serious condition. new symptoms occur
If pregnant or breast-feeding
ask a health professional before use.
Keep out of reach of children
In case of overdose, get medical help or contact a Poison Control Center right away.
Directions
Do not exceed recommended dosage.
| Adults and children 12 years of age and over: | 2 teaspoonful (10 mL) every 4 to 6 hours, not to exceed 8 teaspoonfuls in a 24 hours |
| Children 6 to under 12 years of age: | 1 teaspoonful (5 mL) every 4 to 6 hours, not to exceed 4 teaspoonfuls in 24 hours |
| Children under 6 years of age: | Consult a doctor. |
Inactive ingredients
Citric acid, flavors, glycerin, propylene glycol, purified water, sodium benzoate, sodium citrate, sorbitol solution, sucralose.
Questions?
Comments? Serious side effects associated with use of this product may be reported to this number. Call 1-800-882-1041 Mon. - Fri. (8 a.m. to 5 p.m. CST).
— FDA label of Duratuss Dm, Poly Pharmaceuticals, Inc., effective October 15, 2025. See the official label on DailyMed →
This page is not medical advice. Read the label on your package, and ask a pharmacist or doctor if you are not sure a medicine is right for you, for your child, or with your other medicines.
Same medicine, other brands
Each group lists the products that have exactly the same active ingredients, in the same amount and form, as registered with the FDA (NDC Directory). A store brand in the same group has the same medicine as the name brand; inactive ingredients, flavors and package sizes can differ. Each product links to its own official label.
Dexbrompheniramine maleate 0.667 mg/5 mL · Dextromethorphan hydrobromide 10 mg/5 mL · Pseudoephedrine hydrochloride 20 mg/5 mL · liquid (oral) · 1 product
Drug Facts for this strength and form ↑
| Brand or product name | Company on the label | Label |
|---|---|---|
| M-End Dmx | R. A. McNeil Company | DailyMed |
Dexbrompheniramine maleate 1 mg/5 mL · Dextromethorphan hydrobromide 10 mg/5 mL · Pseudoephedrine hydrochloride 30 mg/5 mL · liquid (oral) · 1 product
Drug Facts for this strength and form ↑
| Brand or product name | Company on the label | Label |
|---|---|---|
| Duratuss Dm | Poly Pharmaceuticals, Inc. | DailyMed |
Companies that sell this medicine
The company named on the package (maker or distributor), as listed in the FDA NDC Directory, with its number of over-the-counter products of this medicine.
- R. A. McNeil Company1 product
- Poly Pharmaceuticals, Inc.1 product
Recalls
No recall linked to these products (by their NDC code or label) appears in the FDA enforcement reports.
Sources
- Drug labeling (SPL, openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026
- NDC Directory (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026
- Drug recall enforcement reports (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 27, 2026, retrieved October 31, 2026
- FDA rule for the Drug Facts label (21 CFR 201.66)
Only medicines marketed under FDA rules for nonprescription drugs (an FDA monograph or an FDA approval) are listed. Homeopathic products are not listed: the FDA does not evaluate them for safety or effectiveness.