Lemsip Cold & Flu Lemon - 5 Sachets For headache, fever, blocked nose, body aches and pains, and sore throat. For the relief of the symptoms of colds and flu, including aches, pains, nasal congestion and lowering of temperature. Phenylephrine hydrochloride 10mg - Action Decongestant. Also includes sucrose and aspartame. Total contents of sachet 4.8g CONTAINS PARACETAMOL. Do not take with any other paracetamol-containing products. Immediate medical advice should be sought in the event of an overdose, even if you feel well.