Lemsip cold flu lemon sachets provides a warm soothing hot drink to provide effective relief for cold and flu symptoms made from a delicious lemon flavour these sachets help to provide soothing relief whether youre at home or on the go active ingredients for soothing relief lemsip cold flu lemon sachets contains a decongestant and paracetamol to help ease symptoms such as a blocked or runny nose sore throat and body aches and headaches