DELSYM vs ROBITUSSIN DM
Independent side-by-side comparison.
Rating
New
New
Pharmacy pays
—
—
Type
OTC
OTC
Active ingredient
DEXTROMETHORPHAN POLISTIREX
Dextromethorphan and guaifenesin
Manufacturer
Dosage forms
Suspension, extended release
Liquid
Drug class
—
—
Boxed warning
None
None
Treats
Cough
—
Get delsymhigher-rated option
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Where to buy
Buy over-the-counter from trusted retailers.
Frequently asked questions
What is the difference between Delsym and Robitussin Dm?
Delsym contains Dextromethorphan Polistirex, while Robitussin Dm contains Dextromethorphan and Guaifenesin — they have different active ingredients.
Ratings are based on FDA regulatory (recall-safety) data. This comparison is for general reference only — not medical advice. Always consult a licensed professional before choosing or switching a medication.