Suffering from cold or flu can be both physically and emotionally draining. But a soothing hot Lemsip Cold & Flu Lemon drink will help provide effective cold and flu relief to leave you feeling stronger. Maintaining your fluid levels is important in the battle against all of those symptoms like sore throats, headaches and fever.Lemsip Cold & Flu Lemon sachets include two active ingredients, paracetamol (650mg) and phenylephrine hydrochloride (10mg). Paracetamol is a well-known pain killer (analgesic) that helps relieve aches, pains, sore throats and fever associated with colds and flu, while Phenylephrine Hydrochloride (nasal decongestant) reduces the feeling of congestion and production of mucus, helping to relieve a blocked nose.