Sudafed 12 Hour Relief Sudafed 12 Hour Relief Tablets are non-drowsy & are used to treat the symptoms of colds & flu. Sudafed 12 Hour Relief provides long lasting relief from blocked, stuffy & runny noses & sinus pressure caused by colds, flu, hayfever or allergies. Ingredients The active ingredient is pseudoephedrine hydrochloride (120mg) in a modified-release formulation. The other ingredients are Candelilla Wax, Hypromellose, Magnesium Stearate, Microcrystalline Cellulose, Cellulose Acetate, Polyethylene Glycol, Hydroxypropyl Cellulose, Povidone, Titanium Dioxide Directions Adults & children 12 years & over: Take one tablet every 12 hours. Take a maximum of 2 tablets in a 24 hour period. Tablets should be swallowed whole without chewing. Children under 12 years: not suitable for administration to children under 12 years of age.