Quick answers
- What is Dextromethorphan and triprolidine used for?
- The Drug Facts label of Endal (Poly Pharmaceuticals, Inc.) lists these uses: 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.
- Do I need a prescription for Dextromethorphan and triprolidine?
- 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 Dextromethorphan and triprolidine 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.
Endal · Poly Pharmaceuticals, Inc.
Dextromethorphan hydrobromide 10 mg/5 mL · Triprolidine hydrochloride 1.25 mg/5 mL, liquid (oral)
Active ingredient
Triprolidine HCl, Dextromethorphan HBr
Purpose
Antihistimine, Antitussive
Uses
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
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 difficulty in urination due to the enlargement of the 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 a chronic pulmonary disease or shortness of breath, or children who are taking other drugs 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 may cause or aggravate constipation alcohol, sedatives, and tranquilizers may increase drowsiness effect
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. These could be signs of a serious new symptoms occur
If pregnant or breast-feeding
ask a health professional before use. Keep out of the reach of children . In case of overdose, get medical help or contact a Poison Control Center right away.
Directions
| AGE | DOSE |
| Adults and children over 12 years of age | 2 teaspoonfuls (10 mL) every 4 to 6 hours, over 12 years not to exceed 8 teaspoonfuls in of age: 24 hours, or as directed by a doctor. |
| Children 6 to under 12 years of age | 1 teaspoonful (5 mL) every 4 to 6 hours, 12 years of age: not to exceed 4 teaspoonfuls in 24 hours, or as directed by a doctor. |
| Children under 6 years of age | Consult a doctor. |
Inactive ingredients
Citric acid, glycerin, grape flavor, propylene glycol, purified water, sodium benzoate, sodium citrate, sodium saccharin, sorbitol solution.
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 Endal, Poly Pharmaceuticals, Inc., effective October 30, 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.
Dextromethorphan hydrobromide 20 mg/20 mL · Triprolidine hydrochloride 2.5 mg/20 mL · solution (oral) · 1 product
| Brand or product name | Company on the label | Label |
|---|---|---|
| Mucinex Fastmax Nighttime DM MAX | Reckitt Benckiser LLC | — |
Dextromethorphan hydrobromide 10 mg/5 mL · Triprolidine hydrochloride 1.25 mg/5 mL · liquid (oral) · 1 product
Drug Facts for this strength and form ↑
| Brand or product name | Company on the label | Label |
|---|---|---|
| Endal | 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.
- Reckitt Benckiser LLC1 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.