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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, Guaifenesin DM, and Siltussin DM.

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 (10 mg-100 mg/5 mL) is around $10 for a supply of 500 milliliters, depending on the pharmacy you visit. Prices are for cash paying customers only and are not valid with insurance plans.

Oral Liquid

10 mg-100 mg/5 mL dextromethorphan/guaifenesin oral liquid
from $9.51 for 500 milliliters
Quantity Per unit Price
500 (100 x 5 milliliters) $0.02 $9.51 – $10.00

See brand name versions of this drug:
Guaifenesin 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.

5 mg-100 mg/5 mL dextromethorphan/guaifenesin oral liquid
from $12.56 for 118 milliliters
Quantity Per unit Price
118 milliliters $0.11 $12.56

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 $9.51 for 1000 milliliters
Quantity Per unit Price
118 milliliters $0.08 $9.62
120 milliliters $0.08 $9.62
237 milliliters $0.04 $9.74
240 milliliters $0.04 $9.74
1000 (100 x 10 milliliters) $0.01 $9.51 – $10.50

See brand name versions of this drug:
Tussin DM
Robafen DM
Guaifenesin 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.

Oral Tablet

20 mg-400 mg dextromethorphan/guaifenesin oral tablet
from $7.50 for 60 tablet
Quantity Per unit Price
50 $0.37 $18.59
60 $0.12 – $0.20 $7.50 – $12.02
90 $0.08 $7.50

See brand name versions of this drug:
Mucus Relief 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.

Oral Tablet, Extended Release

60 mg-1200 mg dextromethorphan/guaifenesin oral tablet, extended release
from $16.72 for 14 tablet, extended release
Quantity Per unit Price
14 $1.19 $16.72
28 $0.83 $23.21

See brand name versions of this drug:
Mucus Relief DM
Mucinex DM Maximum Strength

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.

There are currently no Manufacturer Promotions that we know about for this drug.

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.

There are currently no Patient Assistance Programs that we know about for this drug.

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