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Sudafed (pseudoephedrine) and other decongestants can cause erectile dysfunction (ED) in some men. If you are having trouble getting or maintaining an erection while taking Sudafed, your doctor or pharmacist can recommend a different medication.
Pseudoephedrine is a nasal decongestant active ingredient available in over-the-counter (OTC) medicines that relieve a stuffy nose or sinus pressure due to the common cold or other ailments.seudoephedrine is a nasal decongestant active ingredient available in over-the-counter (OTC) medicines that relieve a stuffy nose or sinus pressure due to the common cold or other ailments.