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About dextromethorphan/Guaifenesin/Phenylephrine

DEXTROMETHORPHAN; GUAIFENESIN; PHENYLEPHRINE treats the symptoms of the common cold, allergies, or flu. It works by reducing cough, loosening mucus, and decreasing a runny or stuffy nose. It is a combination of a cough suppressant, a decongestant, and an expectorant.

Get Dextromethorphan/Guaifenesin/Phenylephrine for as low as $9.49, which is 71% off the average retail price of $32.17 for the most common version, by using a GoodRx coupon.

Dextromethorphan/Guaifenesin/Phenylephrine

Drug Info Side Effects Dosage Medicare

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Other Expectorant / Non-narcotic Antitussive / Alpha-1 Agonist Combinations

Related conditions

Nasal Congestion

Rewards welcome offer

$9.49

Get a one-time $2.50 off this prescription when you join our free Rewards loyalty program. New members only. Terms apply.

Price with free coupon

$11.99

retail$27.28

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GoodRx coupon prices last updated on 04/16/26.

*Prices subject to change without notice. Sales tax may apply and is not included.

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Dextromethorphan/Guaifenesin/Phenylephrine prices by dosage

Dextromethorphan/Guaifenesin/Phenylephrine bottle of liquid prices

Dextromethorphan/Guaifenesin/Phenylephrine bottle of oral solution prices

Default quantities vary by dosage and the displayed quantity represents the most commonly filled. Retail prices shown are the average costs that users pay for these drugs, and do not reflect pharmacy pricing in your specific location.
Dosage	Quantity	Retail price	GoodRx price

Dosage	Quantity	Retail price	GoodRx price

240ml of 18mg/ 200mg/ 10mg/ 15ml

1 bottle

$32.99

177ml of 20mg/ 400mg/ 10mg/ 20ml

1 bottle

N/A

118ml of 5mg/ 100mg/ 2.5mg/ 5ml

1 bottle

$9.99