Lemsip Cough 180ml Muscus Cough & Catarrh

What Is Lemsip Cough Mucus Cough & Catarrh Syrup?

If you've ever had that heavy, congested feeling in your chest that just won't shift, you'll know how exhausting a mucus cough can be. Lemsip Cough 180ml Mucus Cough & Catarrh is an over-the-counter oral syrup designed to help loosen and clear that stubborn mucus from your airways. It's a mucus cough syrup that works as an expectorant — meaning it targets the root of the problem rather than simply suppressing the urge to cough. Available from Cured Pharmacy for just £6.45, it's a straightforward, accessible option for adults and young people aged 12 and over dealing with chesty coughs and catarrh. If you're also managing other cold and flu symptoms alongside your cough, you might find our cold and flu range useful too.

Catarrh — that thick, sticky mucus that builds up in the nose, throat, and chest — is one of the most common complaints during winter months and respiratory infections. The NHS notes that coughs associated with colds and respiratory infections are among the most frequent reasons people seek pharmacy advice. This syrup is formulated specifically to address that mucus-driven cough, rather than a dry or tickly cough.

How Does Lemsip Cough Mucus Cough & Catarrh Work?

The active ingredient in this syrup is guaifenesin 100mg per 5ml. Guaifenesin is a well-established expectorant that has been used in cough medicines for decades. Here's how it works step by step:

• Guaifenesin is absorbed from the gut into the bloodstream after you swallow the syrup.
• It acts on the mucous glands in the respiratory tract, stimulating them to produce a thinner, more watery secretion.
• This reduces the viscosity (thickness) of mucus sitting in your bronchial passages and airways.
• Thinner mucus is far easier to shift — your natural coughing reflex can then expel it more effectively.
• The result is a more productive cough that helps clear congestion from the chest.

It's worth understanding that this is not a cough suppressant. It won't stop you coughing — it helps make your cough more effective at clearing mucus. That distinction matters when choosing the right product for your symptoms.

Who Should Use Lemsip Cough Mucus Cough & Catarrh?

This syrup is suitable for adults and young people aged 12 and over who are experiencing a chesty, productive cough with mucus or catarrh. It's particularly helpful when your cough feels tight and congested rather than dry and irritating. That said, it's not right for everyone — always read the label carefully.

• Adults aged 18 and over with a chesty cough linked to a cold or respiratory infection
• Adolescents aged 12–17 (under adult supervision)
• People experiencing catarrh — excess mucus in the nose, throat, or chest
• Those who want an expectorant rather than a cough suppressant

How Does Lemsip Cough Compare to Other Chesty Cough Syrups?

Is Lemsip Cough Mucus Cough & Catarrh Safe to Store at Home?

Yes — this mucus cough syrup is straightforward to store safely at home. Keep it below 25°C, away from direct sunlight, and always out of the reach and sight of children. Do not use the product after the expiry date printed on the bottle. Once opened, check the label for any specific in-use storage guidance. If you're managing multiple health products at home — from ear, nose, and throat remedies to vitamins — it's good practice to keep medicines in a cool, dry cupboard away from the bathroom, where humidity can affect their stability.

This product is a medicine. Speak to your doctor or pharmacist before using if you have an underlying medical condition or are taking other medicines.

What Is Lemsip Cough 180ml and What Is It Used For?

Lemsip Cough 180ml Mucus Cough & Catarrh is an oral syrup used to relieve chesty, productive coughs where mucus is present. It contains guaifenesin, a recognised expectorant that helps thin and loosen mucus in the airways, making it easier to cough up and clear. It is used for the symptomatic relief of coughs associated with colds, minor respiratory infections, and catarrh — that persistent build-up of thick mucus in the nose, throat, or chest. This product does not treat the underlying infection; it eases the discomfort caused by mucus congestion while your body recovers.

What Do You Need to Know Before Using Lemsip Cough 180ml?

Before taking this syrup, read the following carefully. There are situations where this product may not be appropriate for you.

Do not use this product if you:

• Are under 12 years of age
• Are allergic to guaifenesin or any other ingredient in the syrup
• Have a persistent or chronic cough, such as one caused by asthma, emphysema, or smoking
• Have a cough that produces excessive amounts of mucus

Speak to your pharmacist or GP before use if you:

• Are pregnant or breastfeeding
• Have kidney or liver problems
• Are taking any other medicines, including other cough or cold remedies
• Have been told by a doctor that you have an intolerance to certain sugars

Potential interactions to be aware of:

• Avoid taking alongside other products containing guaifenesin to prevent exceeding the recommended dose
• Check all combination cold and flu remedies for overlapping ingredients before use
• No clinically significant drug interactions have been established at standard OTC doses, but always inform your pharmacist of all medicines you are taking

How Should You Use Lemsip Cough 180ml?

Always use this medicine exactly as described on the label or as directed by your pharmacist. Do not exceed the stated dose.

1. Shake the bottle gently before each use.
2. Measure the correct dose using the measuring cup or spoon provided — do not estimate.
3. Swallow the syrup directly; do not dilute it.
4. Take with a full glass of water to help thin mucus further.
5. Allow at least 4 hours between doses.
6. Do not take more than 4 doses in any 24-hour period.

Drinking plenty of fluids throughout the day can support the expectorant action of guaifenesin. The NHS recommends staying well hydrated when you have a cough or cold, as fluids help keep mucus thin and easier to clear naturally.

What Are the Possible Side Effects of Lemsip Cough 180ml?

Like all medicines, this syrup can cause side effects, although not everyone experiences them. Guaifenesin is generally well tolerated at recommended doses.

Common side effects (may affect up to 1 in 10 people):

• Nausea
• Stomach discomfort or upset
• Vomiting (particularly if taken on an empty stomach)

Less common side effects (may affect up to 1 in 100 people):

• Headache
• Dizziness
• Skin rash or itching (possible sign of allergic reaction — stop use immediately)

If you notice any signs of a serious allergic reaction — such as swelling of the face, lips, or throat, difficulty breathing, or a severe rash — stop taking the syrup and seek emergency medical help immediately. You can also browse our pain relief range if you're managing associated cold symptoms such as headache or sore throat alongside your cough.

How Should You Store Lemsip Cough 180ml?

Correct storage keeps the medicine effective and safe for the duration of use.

• Store below 25°C in a cool, dry place
• Keep away from direct sunlight and heat sources
• Keep the bottle tightly closed when not in use
• Keep out of the sight and reach of children at all times
• Do not use after the expiry date printed on the bottle or carton
• Do not dispose of medicines via wastewater or household waste — return unused medicine to your pharmacist for safe disposal

If you're stocking up on winter health essentials, it's worth keeping a range of remedies to hand. Our vitamins and supplements collection includes immune-support options that may help during cold and flu season.