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Robitussin Chesty Cough Sugar Free Liquid contains guaifenesin 100 mg per 5 ml, an expectorant used to relieve chesty coughs. It works by loosening and thinning mucus in the chest, helping to make coughs more productive and easier to clear.
This sugar-free cough medicine is designed to convert an unproductive cough into a more effective cough, reducing congestion and chest discomfort. It is suitable for adults, the elderly, and children aged 12 years and over.
Robitussin Chesty Cough Sugar Free Liquid is available in the following pack size:
| Medication Name | Robitussin Chesty Cough Sugar Free Liquid |
| Active Ingredient | Guaifenesin 100 mg per 5 ml |
| Other Ingredient | Glycerol, Carmellose Sodium, Sodium Benzoate (E211), Sodium Cyclamate, Ethanol, Levomenthol, Maltitol (E965), Sorbitol Solution (70%), Natural Cherry Flavour, Citric Acid Anhydrous, Caramel (E150), Acesulfame Potassium, Purified Water |
| Medication Form | Oral liquid |
| Used to Treat | Chesty (productive) cough |
| Available Sizes | 250ml bottle |
| Who Can Use It | Adults, elderly, and children aged 12 years and over |
| Prescription Required? | No – General Sale Medicine (GSL) |
| Patient Information Leaflet | Robitussin Chesty Cough Sugar Free Liquid – Patient Information Leaflet |
Robitussin Chesty Cough Sugar Free Liquid is used to relieve chesty coughs by loosening mucus and helping clear congestion from the chest, making coughing more effective and less uncomfortable.
This medicine is suitable for adults, the elderly, and children aged 12 years and over.
Do not use this medicine if you:
Speak to a healthcare professional before use if you:
Leave at least 4 hours between doses.
Do not take with other cough or cold medicines.
Stop use and seek medical advice if symptoms persist for more than 7 days.
Side effects are rare but may include:
Stop using the medicine and seek medical help immediately if signs of an allergic reaction occur, such as rash, swelling of the face or throat, or difficulty breathing.
Page content authored by Amjad Khan, last reviewed by Mr Muhammad on 21st April 2026.
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