Mucus & Phlegm 101

Mucus & Phlegm 101

A cold is often accompanied by a seemingly endless supply of mucus and phlegm that can leave you feeling worn out and off your A-game. But fear not. We’ve got the lowdown on both mucus and phlegm and the best way to get rid of both with BENYLIN®.

What is mucus?

Mucus is produced by your nose and sinuses and can stream out or clog your nose.1 Even when you aren’t sick, you have some mucus, although it increases when you’re hit with a cold.

Why is it coloured?

When you have a cold, your immune system sends white blood cells rushing to the area. These cells contain a coloured enzyme, and in large numbers they can turn the mucus the same color.2 You should see a doctor if it has been longer than a week or your phlegm is thick and/or yellow/green or you have excessive secretions or high fever (>38°C).

What causes phlegm?

A cold or flu can cause your body to produce an increased amount of phlegm.3 This mucus-like substance is most often produced in your upper respiratory tract.

How to get rid of mucus and phlegm.

When you’re hit with a cold that is accompanied by mucus and phlegm, you can turn to BENYLIN® Mucus & Phlegm to clear it out for good.

Each 30 ml or 2 tablespoons (Tbsp.) contains:


DECONGESTANT: To relieve your stuffy nose and nasal congestion.

Pseudoephedrine Hydrochloride

60 mg
E Expectorant Icon

EXPECTORANT: To relieve your chest congestion.

Helps thin and loosen musus and phlegm.

Guaifenesin (Extra Strength)

200 mg




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