Lemsip Max Sinus Sachets 10s If the pressure pain from your blocked sinuses is getting you down, try Lemsip Max Sinus, a sinus treatment in a hot drink. This comforting lemon & menthol flavour, together with Max strength ingredients, will help you to feel better quickly. Lemsip Max Sinus Sachets help relieve sinus pain & congestion associated with colds & flu, including relief of aches & pains, headache, nasal congestion & lowering of temperature. Dosage Over 12 years: Dissolve the contents of one sachet in hot water & drink every six hours if required. No more than four sachets should be used in 24 hours. Under 12 years: not to be given. Ingredients Sachets containing paracetamol 1, 000mg & phenylephrine 12.2mg with lemon & menthol flavouring.