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Home Knowledge Center Wellness Library brompheniramine, dextromethorphan, and pseudoephedrine

brompheniramine, dextromethorphan, and pseudoephedrine

Pronunciation: brom fen EER a meen, dex troe me THOR fan, soo doe e FED rin

Brand: Allanhist PDX Drops, Anaplex DM, Andehist DM NR Syrup, Bromaline DM, Bromhist PDX, Bromplex DM, Brotapp-DM, BroveX PSE DM, Resperal-DM Drops

What is the most important information I should know about this medicine?

What is the most important information I should know about this medicine?

Use only as directed. Tell your doctor if you use other medicines or have other medical conditions or allergies.

What is brompheniramine, dextromethorphan, and pseudoephedrine?

What is brompheniramine, dextromethorphan, and pseudoephedrine?

Brompheniramine is an antihistamine. Dextromethorphan is a cough suppressant. Pseudoephedrine is a decongestant.

Brompheniramine, dextromethorphan, and pseudoephedrine is a combination medicine used to treat cough, runny or stuffy nose, sneezing, and watery eyes caused by allergies or the common cold.

Brompheniramine, dextromethorphan, and pseudoephedrine may also be used for purposes not listed in this medication guide.

What should I discuss with my healthcare provider before taking this medicine?

What should I discuss with my healthcare provider before taking this medicine?

You should not use this medicine if you are allergic to it brompheniramine, dextromethorphan, or pseudoephedrine, or if you have:

  • severe high blood pressure; or
  • severe coronary artery disease (clogged arteries).

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:

  • asthma or COPD (chronic obstructive pulmonary disease);
  • a cough with mucus, or a cough caused by smoking, asthma, or emphysema;
  • a blockage in your digestive tract (stomach or intestines);
  • a bladder obstruction or other urination problems;
  • high blood pressure, heart disease;
  • glaucoma;
  • diabetes; or
  • overactive thyroid.

Tell your doctor if you are pregnant.

Do not breastfeed.

How should I take this medicine?

How should I take this medicine?

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?

What happens if I miss a dose?

This medicine 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?

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 this medicine?

What should I avoid while taking this medicine?

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.

What are the possible side effects of this medicine?

What are the possible side effects of this medicine?

Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Stop using this medicine and call your doctor at once if you have:

  • hallucinations;
  • a seizure;
  • 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 may include:

  • dizziness, drowsiness;
  • 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 this medicine?

What other drugs will affect this medicine?

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.

Where can I get more information?

Where can I get more information?

Your pharmacist can provide more information about brompheniramine, dextromethorphan, and pseudoephedrine.

This information does not replace the advice of a doctor. Healthwise, Incorporated, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Learn how we develop our content.

Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.

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