Brompheniramine, dextromethorphan, and pseudoephedrine
Generic name: brompheniramine, dextromethorphan, and pseudoephedrine [ brom-fen-EER-a-meen, dex-troe-me-THOR-fan, soo-doe-e-FED-rin ]
Brand names: Allanhist PDX Drops, Anaplex DM, Andehist DM NR Syrup, Bromaline DM, Bromhist PDX, ... show all 41 brands Bromplex DM, Brotapp-DM, BroveX PSE DM, Resperal-DM Drops, Bromfed DM, Dimetane DX, Myphetane DX, Bromanate DX Cough, Bromatane DX, Myphetane DX Cough, Bromophed-DX, Liquiphed DM, Brometane DX, Bromadine-DM, Bromaxefed DM RF Syrup, Dimetapp DM, Carbofed DM Syrup, Uni-Hist DM Pediatric Drops, AccuHist DM Pediatric Drops, Bromhist-DM Drops, Pediahist DM Drops, Q-Tapp DM, Bromph DM, Uni-Hist PDX Drops, Robitussin Allergy and Cough, Histacol BD Drops, Anaplex DMX, Brom Tann, ProHist DM, P-Hist DM Drops, Sildec DM, Dallergy DM, Neo DM, PBM Allergy, BroveX PSB DM, Bromdex D
Dosage forms: oral drops (1 mg-4 mg-15 mg/mL); oral liquid (1 mg-3 mg-12.5 mg/mL; 1 mg-5 mg-12 mg/mL; 1 mg-5 mg-15 mg/5 mL); oral suspension, extended release (8 mg-60 mg-90 mg/5 mL); oral syrup (2 mg-10 mg-30 mg/5 mL; 4 mg-15 mg-45 mg/5 mL; 4 mg-30 mg-60 mg/5 mL); oral tablet (4 mg-20 mg-40 mg)
Drug class: Upper respiratory combinations
What is brompheniramine, dextromethorphan, and pseudoephedrine?
Brompheniramine, dextromethorphan, and pseudoephedrine may also be used for purposes not listed in this medication guide.
Use only as directed. Tell your doctor if you use other medicines or have other medical conditions or allergies.
Before taking this medicine
You should not use this medicine if you are allergic to it brompheniramine, dextromethorphan, or pseudoephedrine, or if you have:
Do not use brompheniramine, dextromethorphan, and pseudoephedrine if you have used an MAO inhibitor in the past 14 days. A dangerous drug interaction could occur. MAO inhibitors include isocarboxazid, linezolid, methylene blue injection, phenelzine, and tranylcypromine.
Tell your doctor if you have ever had:
a blockage in your digestive tract (stomach or intestines);
a bladder obstruction or other urination problems;
high blood pressure, heart disease;
Tell your doctor if you are pregnant.
Do not breastfeed.
How should I take brompheniramine, dextromethorphan, and pseudoephedrine?
Follow all directions on your prescription label and read all medication guides or instruction sheets. Use the medicine exactly as directed.
Follow all directions when giving this medicine to a child. Do not use the medicine to make a child sleepy. Misuse of this medicine may cause death in very young children.
Measure liquid medicine with the supplied measuring device (not a kitchen spoon).
Call your doctor if your symptoms do not improve after 7 days, or if you have a fever, rash, or headaches.
If you need surgery or medical tests, tell the doctor ahead of time if you have taken this medicine within the past few days.
Store tightly closed at room temperature, away from moisture and heat.
What happens if I miss a dose?
brompheniramine, dextromethorphan, and pseudoephedrine is used when needed. If you are on a dosing schedule, skip any missed dose. Do not use two doses at one time.
Do not take more than 6 doses in 24 hours.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
Overdose symptoms may include feeling depressed or restless, fast or irregular heartbeats, severe drowsiness, loss of coordination, or seizure.
What should I avoid while taking brompheniramine, dextromethorphan, and pseudoephedrine?
Ask a doctor or pharmacist before taking other cough or cold medicines that may contain similar ingredients.
Avoid driving or hazardous activity until you know how this medicine will affect you. Your reactions could be impaired.
Avoid becoming overheated or dehydrated during exercise and in hot weather. This medicine can decrease sweating and you may be more prone to heat stroke.
Drinking alcohol with this medicine can cause side effects.
brompheniramine, dextromethorphan, and pseudoephedrine side effects
Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
This medicine may cause serious side effects. Stop using this medicine and call your doctor at once if you have:
painful or difficult urination;
a light-headed feeling, like you might pass out;
fast or pounding heartbeats;
pale skin, weakness, easy bruising or bleeding, fever, chills, body aches; or
severe headache, blurred vision, pounding in your neck or ears.
Common side effects of brompheniramine, dextromethorphan, and pseudoephedrine may include:
coughing up thick mucus;
feeling restless or excited (especially in children); or
dry mouth, nose, or throat.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
What other drugs will affect brompheniramine, dextromethorphan, and pseudoephedrine?
Ask a doctor or pharmacist before using any other medicines that can cause drowsiness (such as opioid medication, sleep medicine, a muscle relaxer, or medicine for anxiety or seizures). Tell your doctor about all other medicines you use. This includes prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible interactions are listed here.
More about brompheniramine / dextromethorphan / pseudoephedrine
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- Drug class: upper respiratory combinations
Related treatment guides
Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
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