Beechams All in One Tablets Beechams All in One Tablets relieve the symptoms of colds, chills & flu with chesty coughs. These symptoms include headache, shivers, aches & pains, blocked nose & painful sinuses, catarrh, sore throat & a chesty, productive cough. Beechams All in One Tablets contain three active ingredients: Paracetamol: A painkiller which also reduces your temperature when you have a fever. Guaifenesin: An expectorant which loosens phlegm & relieves a chesty cough. Phenylephrine hydrochloride: a decongestant which unblocks your nose & sinuses helping you breathe more easily. Beechams All in One Tablets are suitable for adults & children aged 12 years & over.