dimaphen dm
Brompheniramine maleate, Dextromethorphan HBr, Phenylephrine HCl · Solution · Oral
Active ingredient
Active ingredients (in each 10 mL) Brompheniramine maleate, USP 2 mg Dextromethorphan HBr, USP 10 mg Phenylephrine HCl, USP 5 mg
Purpose
Purposes Antihistamine Cough suppressant Nasal decongestant
Uses
Uses
• temporarily relieves cough due to minor throat and bronchial irritation occurring with a cold, and nasal congestion due to the common cold, hay fever or other upper respiratory allergies
• temporarily relieves these symptoms due to hay fever (allergic rhinitis):
• runny nose
• sneezing
• itchy, watery eyes
• itching of the nose or throat
• temporarily restores freer breathing through the nose
Warnings
Warnings Do not use
• 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.
• to make a child sleepy Ask a doctor before use if you have
• heart disease
• high blood pressure
• thyroid disease
• diabetes
• trouble urinating due to an enlarged prostate gland
• glaucoma
• cough that occurs with too much phlegm (mucus)
• a breathing problem such as emphysema or chronic bronchitis
• cough that lasts or is chronic such as occurs with smoking, asthma or emphysema Ask a doctor or pharmacist before use if you are taking sedatives or tranquilizers When using this product
• do not use more than directed
• may cause marked drowsiness
• avoid alcoholic beverages
• alcohol, sedatives, and tranquilizers may increase drowsiness
• be careful when driving a motor vehicle or operating machinery
• excitability may occur, especially in children Stop use and ask a doctor if
• you get nervous, dizzy, or sleepless
• symptoms do not get better within 7 days or are accompanied by fever
• cough lasts for more than 7 days, comes back, or is accompanied by fever, rash, or persistent headache. A persistent cough may be a sign of a serious condition. 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 (1-800-222-1222).
Do not use
Do not use
• 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.
• to make a child sleepy
Ask a doctor before use
Ask a doctor before use if you have
• heart disease
• high blood pressure
• thyroid disease
• diabetes
• trouble urinating due to an enlarged prostate gland
• glaucoma
• cough that occurs with too much phlegm (mucus)
• a breathing problem such as emphysema or chronic bronchitis
• cough that lasts or is chronic such as occurs with smoking, asthma or emphysema
Ask a doctor or pharmacist
Ask a doctor or pharmacist before use if you are taking sedatives or tranquilizers
When using this product
When using this product
• do not use more than directed
• may cause marked drowsiness
• avoid alcoholic beverages
• alcohol, sedatives, and tranquilizers may increase drowsiness
• be careful when driving a motor vehicle or operating machinery
• excitability may occur, especially in children
Stop use and ask a doctor
Stop use and ask a doctor if
• you get nervous, dizzy, or sleepless
• symptoms do not get better within 7 days or are accompanied by fever
• cough lasts for more than 7 days, comes back, or is accompanied by fever, rash, or persistent headache. A persistent cough may be a sign of a serious condition.
Pregnancy or breast-feeding
If pregnant or breast-feeding, ask a health professional before use.
Keep out of reach of children
Keep out of reach of children. In case of overdose, get medical help or contact a Poison Control Center right away (1-800-222-1222).
Directions
Directions
• do not take more than 6 doses in any 24-hour period
• measure only with dosage cup provided
• keep dosage cup with product
• mL = milliliter age dose adults and children 12 years and over 20 mL every 4 hours children 6 to under 12 years 10 mL every 4 hours children under 6 years do not use
Other information
Other information
• each 10 mL contains: sodium 4 mg
• store at 20°-25°C (68°-77°F)
Inactive ingredients
Inactive ingredients anhydrous citric acid, edetate disodium, FD&C blue no. 1, FD&C red no. 40, flavor, glycerin, propylene glycol, purified water, saccharin sodium, sodium benzoate, sorbitol solution
Questions?
Questions or comments? 1-800-616-2471
Label text from the FDA structured product label by Major Pharmaceuticals (revised Feb 25, 2026). Long sections are shortened; the complete label is on DailyMed.
Active ingredients
- Brompheniramine Maleate in 2 products
- Dextromethorphan Hydrobromide in 2 products
- Phenylephrine Hydrochloride in 2 products
dimaphen dm NDC products (2)
| NDC | Strength & form | Labeler | Type |
|---|---|---|---|
| 0904-6463 | Brompheniramine Maleate 2 mg/10mL; Dextromethorphan Hydrobromide 10 mg/10mL; Phenylephrine Hydrochloride 5 mg/10mL Solution | Major Pharmaceuticals | OTC MONOGRAPH DRUG |
| 68788-8134 | Brompheniramine Maleate 2 mg/10mL; Dextromethorphan Hydrobromide 10 mg/10mL; Phenylephrine Hydrochloride 5 mg/10mL Solution | Preferred Pharmaceuticals Inc. | OTC MONOGRAPH DRUG |
Frequently asked questions
What is dimaphen dm used for?
Uses • temporarily relieves cough due to minor throat and bronchial irritation occurring with a cold, and nasal congestion due to the common cold, hay fever or other upper respiratory allergies • temporarily relieves these symptoms due to hay fever (allergic rhinitis): • runny nose • sneezing • itchy, watery eyes • itching of the nose or throat • temporarily restores freer breathing through the…
Who makes dimaphen dm?
dimaphen dm is listed by 2 labelers in the FDA NDC directory, including Major Pharmaceuticals, Preferred Pharmaceuticals Inc..