Beechams Cold & Flu Hot Blackcurrant Sachets Beechams Cold & Flu Hot Blackcurrant Sachets with vitamin C create a soothing hot drink that provides relief from the symptoms of colds, flu & chills, including headache, shivers, aches & pains, blocked nose & painful sinuses, catarrh & sore throat. They contain two active ingredients: Paracetamol: a painkiller that also reduces your temperature when you have a fever. Phenylephrine hydrochloride: a decongestant which unblocks your nose & sinuses helping you breathe more easily.