BENYLIN Chesty Cough and Cold Tablets pr relief by targeting your cough deep down in your chest and also helps relieve symptoms of your cold. The active ingredient guaifenesin helps thin and loosen phlegm in your chest, making it easier to cough up and helping you to breath more easily. Phenylephrine is a nasal decongestant which helps reduce swelling in the passages of the nose and so that you can breathe more easily. Paracetamol can relieve the pain and help reduce your temperature if you have a fever. For access to the full Patient Information Leaflet please click here. Approved by Manjit Sond- Accuracy Checking Technician on the 16/12/2021For more information, view our medical team. Please note that results may vary.