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Dextromethorphan/guaifenesin Prices, Coupons and Patient Assistance Programs

Dextromethorphan/guaifenesin is a member of the upper respiratory combinations drug class and is commonly used for Cough and Expectoration.

Brand names for dextromethorphan/guaifenesin include Tussin DM, Robafen DM, Siltussin DM, and Mucinex Children's Cough.

Dextromethorphan/guaifenesin Prices

This dextromethorphan/guaifenesin price guide is based on using the Drugs.com discount card which is accepted at most U.S. pharmacies. The cost for dextromethorphan/guaifenesin oral liquid (5 mg-100 mg/5 mL) is around $13 for a supply of 118 milliliters, depending on the pharmacy you visit. Prices are for cash paying customers only and are not valid with insurance plans.

Oral Liquid

5 mg-100 mg/5 mL dextromethorphan/guaifenesin oral liquid
from $12.69 for 118 milliliters
Quantity Per unit Price
118 milliliters $0.11 $12.69

See brand name versions of this drug:
Mucinex Children's Cough

Important: When there is a range of pricing, consumers should normally expect to pay the lower price. However, due to stock shortages and other unknown variables we cannot provide any guarantee.

10 mg-100 mg/5 mL dextromethorphan/guaifenesin oral liquid
from $8.51 for 500 milliliters
Quantity Per unit Price
120 milliliters $0.07 $8.62
237 milliliters $0.04 $8.74
240 milliliters $0.04 $8.74
473 milliliters $0.02 $8.97
500 (100 x 5 milliliters) $0.02 $8.51 – $9.00

See brand name versions of this drug:
Tussin DM
Robafen DM
Siltussin DM

Important: When there is a range of pricing, consumers should normally expect to pay the lower price. However, due to stock shortages and other unknown variables we cannot provide any guarantee.

20 mg-200 mg/10 mL dextromethorphan/guaifenesin oral liquid
from $8.51 for 1000 milliliters
Quantity Per unit Price
1000 (100 x 10 milliliters) $0.01 $8.51 – $9.50

Important: When there is a range of pricing, consumers should normally expect to pay the lower price. However, due to stock shortages and other unknown variables we cannot provide any guarantee.

Oral Tablet

20 mg-400 mg dextromethorphan/guaifenesin oral tablet
from $11.02 for 60 tablet
Quantity Per unit Price
50 $0.28 – $0.35 $14.09 – $17.59
60 $0.18 $11.02

See brand name versions of this drug:
Mucus Relief DM
TabTussin DM

Important: When there is a range of pricing, consumers should normally expect to pay the lower price. However, due to stock shortages and other unknown variables we cannot provide any guarantee.

Drugs.com Printable Discount Card

Print Now

The free Drugs.com Discount Card works like a coupon and can save you up to 80% or more off the cost of prescription medicines, over-the-counter drugs and pet prescriptions.

Please note: This is a drug discount program, not an insurance plan. Valid at all major chains including Walgreens, CVS Pharmacy, Target, WalMart Pharmacy, Duane Reade and 65,000 pharmacies nationwide.


Dextromethorphan/guaifenesin Coupons and Rebates

Dextromethorphan/guaifenesin offers may be in the form of a printable coupon, rebate, savings card, trial offer, or free samples. Some offers may be printed right from a website, others require registration, completing a questionnaire, or obtaining a sample from the doctor's office.

Patient Assistance Programs for Dextromethorphan/guaifenesin

Patient assistance programs (PAPs) are usually sponsored by pharmaceutical companies and provide free or discounted medicines to low income or uninsured and under-insured people who meet specific guidelines. Eligibility requirements vary for each program.

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