Benylin Mucus Cough Night Syrup - 150ml
£5.27 ex. VAT · includes £1.05 (20.00% VAT)
Product Overview
Benylin Mucus Cough Night Syrup 150ml provides night-time relief from chesty coughs by loosening mucus and easing coughing to help you rest.
Description
Benylin Mucus Cough Night Syrup – 150ml is a night-time cough medicine designed to relieve chesty (productive) coughs that may disturb sleep.
The formulation contains an expectorant to help loosen and thin mucus in the chest, making it easier to clear, along with a sedating antihistamine to help reduce coughing and aid restful sleep. This dual action helps ease congestion and calm night-time coughing associated with colds.
Benylin Mucus Cough Night Syrup is suitable for adults and children aged 12 years and over and is intended for short-term night-time use.
How to Use
Adults and children aged 12 years and over:
- Take 10 ml at bedtime.
UK pharmacy-aligned guidance:
- Use the measuring cup provided.
- For night-time use only.
- Do not exceed the stated dose.
- If symptoms persist for more than 7 days, worsen, or are accompanied by fever, chest pain or breathlessness, seek medical advice.
- Always read the enclosed Patient Information Leaflet before use.
Ingredients
Active Ingredients:
- Guaifenesin – expectorant to help loosen and clear mucus
- Diphenhydramine hydrochloride – antihistamine that helps relieve coughing and may cause drowsiness
Other Ingredients:
- Glycerol
- Sucrose
- Sodium benzoate
- Citric acid
- Flavourings
- Purified water
(Exact excipients and strengths may vary; always refer to the product packaging for the most up-to-date ingredient list.)
Side Effects & Warnings
Warnings & Precautions
- For oral use only.
- Do not exceed the recommended dose.
- May cause drowsiness.
Do NOT take this medicine if you:
- Are allergic to guaifenesin, diphenhydramine, or any other ingredient.
- Have a chronic or persistent cough (e.g. due to asthma or smoking) without medical advice.
- Are taking monoamine oxidase inhibitors (MAOIs) or have taken them within the last 14 days.
- Are under 12 years of age.
Avoid:
- Alcohol while taking this medicine.
- Driving or operating machinery if affected by drowsiness.
Possible Side Effects
Like all medicines, Benylin Mucus Cough Night Syrup can cause side effects, although not everyone gets them. These may include:
- Drowsiness or dizziness
- Dry mouth
- Nausea or stomach upset
- Rare allergic reactions such as rash or itching
Stop use and seek medical advice if you experience severe or persistent side effects.
Storage
- Store below 25 °C.
- Keep the bottle tightly closed.
- Keep out of sight and reach of children.
- Do not use after the expiry date shown on the bottle.

