Dextromethorphan and pseudoephedrine
Generic Name: dextromethorphan and pseudoephedrine (DEX troe meth OR fan and SOO doe e FED rin)
Brand Name: Vicks 44 Cold & Cough LiquiCaps, ...show all 20 brand namesVicks 44 Cold & Cough LiquiCaps, Drixoral Cough & Congestion Liquid Caps, Vicks 44D, Robitussin Maximum Strength Cough & Cold, Robitussin Pediatric Cough & Cold, Vicks 44D Pediatric, Pediacare Infant Decongestant and Cough, Triaminic A.M. Cough and Decongestant, Decongestant Cold Formula, Tussin Pediatric Cold and Cough, Dimetapp Decongestant and Cough, Pediacare Long Acting, Triaminic Cough, Triaminic Allergy Congestion, Pediacare Cough Plus Cold, Sudafed Child Cold & Cough, Triaminic Long-Acting Cough & Cold, Dimetapp Childrens Long Acting Cough Plus Cold, Pedia Relief Infant Drops
Dosage Forms: oral capsule (30 mg-60 mg); oral liquid (10 mg-20 mg/5 mL; 5 mg-15 mg/5 mL; 7.5 mg-15 mg/5 mL)
What is dextromethorphan and pseudoephedrine?
Dextromethorphan is a cough suppressant. Pseudoephedrine is a decongestant.
Dextromethorphan and pseudoephedrine may also be used for purposes not listed in this medication guide.
Do not use dextromethorphan and pseudoephedrine if you have used an MAO inhibitor in the past 14 days, such as isocarboxazid, linezolid, methylene blue injection, phenelzine, rasagiline, selegiline, or tranylcypromine.
Before taking this medicine
You should not use this medicine if you are allergic to dextromethorphan or pseudoephedrine.
Do not use this medicine if you have taken an MAO inhibitor in the past 14 days. A dangerous drug interaction could occur. MAO inhibitors include isocarboxazid, linezolid, phenelzine, rasagiline, selegiline, and tranylcypromine.
Ask a doctor or pharmacist if this medicine is safe to use if you have:
a cough with mucus;
heart problems, high blood pressure;
an enlarged prostate and urination problems;
a thyroid disorder.
Ask a doctor before using this medicine if you are pregnant or breastfeeding.
Artificially sweetened liquid medicine may contain phenylalanine. Check the medication label if you have phenylketonuria (PKU).
How should I take dextromethorphan and pseudoephedrine?
Use exactly as directed on the label, or as prescribed by your doctor. Cold or cough medicine is only for short-term use until your symptoms clear up.
Always follow directions on the medicine label about giving cough or cold medicine to a child.
Measure liquid medicine carefully. Use the dosing syringe provided, or use a medicine dose-measuring device (not a kitchen spoon).
Store at room temperature away from moisture and heat. Do not freeze.
What happens if I miss a dose?
Since dextromethorphan and pseudoephedrine is used when needed, you may not be on a dosing schedule. Skip any missed dose if it's almost time for your next dose. Do not use two doses at one time.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
What should I avoid while taking dextromethorphan and pseudoephedrine?
Avoid driving or hazardous activity until you know how dextromethorphan and pseudoephedrine will affect you. Your reactions could be impaired.
Ask a doctor or pharmacist before using other cough or cold medicines that may contain similar ingredients.
Drinking alcohol with this medicine can cause side effects.
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.
Stop using dextromethorphan and pseudoephedrine and call your doctor at once if you have:
fast, pounding, or uneven heartbeat;
severe dizziness or drowsiness;
Less serious side effects may be more likely, and you may have none at all.
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 dextromethorphan and pseudoephedrine?
Ask a doctor or pharmacist before using dextromethorphan and pseudoephedrine with any other medicines, especially drugs that can cause drowsiness (such as opioid medication, sleep medicine, a muscle relaxer, or medicine for anxiety or seizures). Tell your doctor about all your current medicines and any medicine you start or stop using. This includes prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible interactions are listed here.
More about dextromethorphan / pseudoephedrine
- Other brands
- Vicks 44D
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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