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5 Best Expectorant Cough Syrup For Adults of 2025

Last Updated - 2025/09/25

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® MULTI-ACTION™ Wet & Dry Cough, Liquid, 180 mL

Mucinex

CA$17.99

More Details
Main highlights
- Use as directed.
- Thins & loosens mucus
- Relieves chest congestion
- Directions: Adults and children 12 years and over: take 20 mL every 6 hours. Do not take more than 4 doses (80 mL) in 24 hours. Do not use in children under 12 years of age. Use only the measuring device provided.
- Controls dry & wet cough
CA$17.99
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.

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$17.48

More Details
Main highlights
- This package includes one 250 mL bottle of Buckley’s Mucus & Phlegm Syrup
- Send that hacking, packing. Get fast-acting relief for up to 6 hours from cold symptoms such as coughs, nasal congestion, and chest congestion. Works in your lungs to loosen and thin out mucus and phlegm, to get it up and out
- Formulated for adults and children 12 years and older, take 2 to 3 teaspoons (10 to 15 mL) every 6 hours (do not take more than 4 doses or 60 mL in 24 hours). If preferred, mix with equal parts honey.
- For medicinal ingredients, each teaspoon (5 mL) contains 100 mg of the guaifenesin expectorant to loosen mucus and phlegm buildup, and 10 mg of menthol to suppress your cough and relieve nasal congestion
CA$17.48
3
Best Value
21% 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.

Buckley's
21% Off

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

Buckley's

CA$12.04

CA$15.34
(21% Off)

More Details
Main highlights
- This package includes one 250 mL bottle of Buckley's Complete Plus Extra Strength Mucus Relief Syrup
- Manage your cold symptoms with Buckley's Complete Plus Extra Strength Mucus Relief Syrup, providing fast-acting relief of minor aches and pains, fever and chills, sore throat pain, wet cough, nasal and sinus congestion, and chest congestion
- 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). Do not take more than directed. If preferred, mix with equal parts honey
- For medicinal ingredients, 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
CA$12.04
CA$15.34 (21% Off)
4

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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.

BENYLIN

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

BENYLIN

CA$12.28

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$12.28
5

✖
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

5 Best Expectorant Cough Syrup For Adults of 2025

MUCINEX® MULTI-ACTION™ Wet & Dry Cough, Liquid, 180 mL

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

Buckley's Cough Syrup, Complete Extra Strength Mucus Relief, 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

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

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