Sudafed® (pseudoephedrine hydrochloride) is a non-prescription decongestant often used for allergies or the common cold. Brand-name Sudafed comes in numerous different forms, including:
For the 240 mg extended-release Sudafed tablets, the recommended dosage for adults and children 12 years old and older is one tablet (240 mg) once a day. The recommended dose for Sudafed 120 mg extended-release tablets is one tablet (120 mg) every 12 hours.
(Click Sudafed Dosage to find dosing guidelines for Sudafed immediate-release tablets and liquid, and for tips and precautions for using this particular medication.)