Can You Take Mucinex And Robitussin Together?
In our latest question and answer, the pharmacist discusses whether or not Mucinex (guaifenesin) can safely be taken with Robitussin (dextromethorphan).
Can you take Mucinex With Robitussin?
Aug 30, 2022- Mucinex can safely be taken with plain Robitussin that contains dextromethorphan since there is no interaction between these medications.
- Do not combine Mucinex with any Robitussin product that already contains guaifenesin, as this ingredient is the same in both products.
- Always check the drug facts label on your specific Robitussin product to confirm which ingredients it contains before taking it with Mucinex.
Answer
Mucinex (guaifenesin) can safely be taken with Robitussin (dextromethorphan) and there is no interaction between the two medications. However, Robitussin is a brand name that is used for a variety of products, all of which contain different ingredients. It is important to look at the drug label of the product you are taking to confirm the ingredients.
Taking Mucinex With Robitussin
As stated above, Mucinex is safe to take with plain Robitussin that contains dextromethorphan. Many Robitussin products contain guaifenesin, the same active ingredient in Mucinex.
It is important not to combine Mucinex with a Robitussin product that already contains guaifenesin. Below, we list common Robitussin brand name products and their ingredients.
Robitussin Ingredients
- Dextromethorphan
Mucinex is safe to take with original Robitussin.
Robitussin Maximum Strength Cough + Chest Congestion DM Ingredients
- Dextromethorphan
- Guaifenesin
As guaifenesin is already contained in this Robitussin product, Mucinex should not be taken with it.
Robitussin Maximum Strength Nighttime Cough DM
- Dextromethorphan
- Doxylamine
Mucinex is safe to take with Robitussin Maximum Strength Nighttime Cough DM.
Robitussin 12-Hour Cough Relief
- Dextromethorphan
Mucinex is safe to take with Robitussin 12-Hour Cough Relief.
Robitussin Cough + Chest Congestion DM
- Dextromethorphan
- Guaifenesin
As guaifenesin is already contained in this Robitussin product, Mucinex should not be taken with it.
Robitussin Multi-Symptom Cold CF
- Dextromethorphan
- Guaifenesin
- Phenylephrine
As guaifenesin is already contained in this Robitussin product, Mucinex should not be taken with it.
Robitussin Maximum Strength Severe Multi-Symptom Cough Cold + Flu
- Dextromethorphan
- Guaifenesin
- Phenylephrine
- Acetaminophen
As guaifenesin is already contained in this Robitussin product, Mucinex should not be taken with it.
Summary
There is no interaction between Mucinex (guaifenesin) and original Robitussin. They are safe to take together. However, it is important to be aware that the Robitussin name is used in a variety of products, all of which contain different ingredients. Be sure to look at the drug facts label of the product you are purchasing.
Final Words
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Glossary — Terms in This Answer
- Guaifenesin
- An active ingredient in cough medicines that helps thin and clear mucus from the airways.
- Dextromethorphan
- An active ingredient in cough medicines that works to suppress cough by affecting the cough center in the brain.
- Doxylamine
- An active ingredient that causes drowsiness and is used in nighttime cold and cough products to help with sleep.
- Phenylephrine
- A decongestant active ingredient that narrows blood vessels to relieve nasal and chest congestion.
- Acetaminophen
- A pain reliever and fever reducer commonly used in over-the-counter cold and flu medications.
- Active ingredient
- The substance in a medication that produces the intended therapeutic effect.
- Drug interaction
- A situation where two medications affect each other in ways that may change how they work or increase side effects.
- Drug facts label
- The information panel on a medication package that lists ingredients, dosage instructions, and warnings.
Dr. Brian Staiger, PharmD
Doctor of Pharmacy, board certified clinical pharmacist (BCPS), American Herbalist Guild, Medication Therapy Management certified
Brian Staiger, PharmD, BCPS, is a licensed pharmacist with more than 13 years of experience across retail pharmacy, clinical pharmacy, medication safety, pharmacy program development, and healthcare administration. He is the founder of HelloPharmacist.com, where he helps patients...
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