Beechams All in One Tablets, relief for colds, flu and chesty cough. It contains three ingredients - paracetamol, phenylephrine and guaifenesin - to provide effective relief which fights 8 symptoms of cold and flu. For the relief of symptoms associated with colds and flu and the pain and congestion of sinusitis, including:- aches and pains- chills- fever- chesty cough- headache- blocked nose- sore throat- mucus. Paracetamol is a painkiller and reduces your temperature when you have a fever. Guaifenesin is an expectorant which loosens phlegm and relieves a chesty cough. Phenylephrine hydrochloride is a decongestant which helps to unblock your nose and sinuses helping you breathe more easily. Always read the label.