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5 Best Expectorant Cough Syrup For Adults of 2025

Last Updated - 2025/06/28

1
Best Choice

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Mucinex

Mucinex, Chest Congestion, 12 Hour Extended-Release Bi-Layer Tablets, Expectorant, 600 mg, 20 Count

Mucinex

CA$16.56

More Details
Main highlights
- Relieves chest congestion due to common colds
- Mucinex is the #1 doctor recommended OTC expectorant among Internists, General Practitioners and Family Practitioners in the US
- Immediate and extended release for up to 12 hours
- Helps loosen mucus and makes coughs more productive
- Extended-release bi-layer tablet
CA$16.56
2

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Robitussin

Robitussin Extra Strength Mucus & Phlegm Syrup, Alcohol Free, Cherry Flavour

Robitussin

CA$14.97

More Details
Main highlights
- This extra strength formula relieves: chest congestion, mucus & phlegm and soothes throats
- Includes 1 package containing Robitussin Mucus & Phlegm Extra Strength (250 mL bottle)
- Great tasting cherry flavour and alcohol free syrup
- Designed for adults and children 12 years and older To be sure this product is right for you, always read and follow the label
- Contains: Expectorant (Guaifenesin) 200 mg / 5 mL
CA$14.97
3

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Buckley's

Buckley's Cough Syrup, Expectorant Mucus Relief, Wet Cough & Cold & Flu Medicine, Headache and Sinus Relief, 250 mL (Packaging May Vary)

Buckley's

CA$13.64

More Details
Main highlights
- COUGH SYRUP: Provides fast-acting relief for up to 6 hours from cold and flu symptoms like coughs, nasal congestion, and chest congestion.
- CONTAINS GUAIFENESIN: Non-drowsy, this product contains 100 mg guaifenesin and 10 mg menthol per 5 mL.
- CONTAINS CAMPHOR AND MENTHOL: Buckley's syrups use a unique blend of herbal ingredients that hasn't changed for 100 years, including camphor, menthol to relieve nasal congestion, and pine needle oil and Canada balsam.
- AGES 12+: Formulated for adults and children 12 years and older, take 2 to 3 teaspoons (10 to 15 mL) every 2 to 3 hours (maximum of 4 doses per day). If preferred, mix with equal parts honey.
- 250 ML: This package includes one 250 mL bottle of Buckley's Mucus & Phlegm Expectorant Syrup; To be sure this product is right for you, always read and follow the label
CA$13.64
4
Best Value
12% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

BENYLIN
12% Off

BENYLIN Extra Strength Chest Congestion and Cold Syrup, Relieves Wet Cough and Sore Throat Pain, 250mL

BENYLIN

CA$10.78

CA$12.28
(12% Off)

More Details
Main highlights
- To use, Adults and children 12 years and older, take 2 tsp. (10 mL) every 6 hours as needed. Do not exceed a total of 8 tsp. (40 mL) per day
- Get fast, effective relief of wet cough, nasal congestion, and sore throat pain
- Each 5 mL or 1 teaspoonful (tsp.) contains 200 mg of expectorant Guaifenesin to relieve chest congestion and 15 mg of analgesic/decongestant Menthol to relieve sore throat pain and nasal congestion
- Benylin Extra Strength Chest Congestion & Cold Syrup, 250 mL, is specially formulated to relieve chest congestion
- Be unshakeable with Benylin
CA$10.78
CA$12.28 (12% Off)
5

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Buckley's

Buckley Complete Extra Strength Mucus Relief, 150ml (Packaging May Vary)

Buckley's

CA$13.98

More Details
Main highlights
- COUGH SYRUP: Provides fast-acting relief for aches and pains, fever and chills, sore throat pain, wet cough, nasal and sinus congestion, and chest congestion
- CONTAINS CAMPHOR AND MENTHOL: Buckley's syrups use a unique blend of herbal ingredients that hasn't changed for 100 years, including camphor, menthol to help relieve nasal congestion, and pine needle oil and Canada balsam.
- CONTAINS ACETAMINOPHEN: Non-drowsy, each teaspoon (5 mL) of Buckley's Complete contains 325 mg acetaminophen for reducing fever and relieving aches and pain, 200 mg of the guaifenesin expectorant to loosen mucus and phlegm buildup, and 20 mg of menthol to suppress your cough and relieve nasal congestion.
- AGES 12+: Formulated for adults and children 12 years and older, take 2 teaspoons (10 mL) every 4-6 hours (do not take more than 40 mL in 24 hours). If preferred, mix with equal parts honey.
- 150 ML: This package includes one 150 mL bottle of Buckley's Complete Plus Extra Strength Mucus Relief Syrup. To be sure this product is right for you, always read and follow the label
CA$13.98

5 Best Expectorant Cough Syrup For Adults of 2025

Mucinex, Chest Congestion, 12 Hour Extended-Release Bi-Layer Tablets, Expectorant, 600 mg, 20 Count

Robitussin Extra Strength Mucus & Phlegm Syrup, Alcohol Free, Cherry Flavour

Buckley's Cough Syrup, Expectorant Mucus Relief, Wet Cough & Cold & Flu Medicine, Headache and Sinus Relief, 250 mL (Packaging May Vary)

BENYLIN Extra Strength Chest Congestion and Cold Syrup, Relieves Wet Cough and Sore Throat Pain, 250mL

Buckley Complete Extra Strength Mucus Relief, 150ml (Packaging May Vary)

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