Sudafed decongestant tablets with pseudoephedrine hydrochloride helps clear stuffy noses catarrh blocked sinuses and sinus pressure associated with colds flu and allergies how to take for oral use adults and children aged 12 years and over take 1 tablet with a glass of water every 46 hours do not give to children under 12 years old do not take more than 4 tablets in 24 hours please read the enclosed leaflet carefully warning do not exceed the stated dose as with all medicines if you