3 ms·or maybe like sudafed pe is an advertisement, a reminder to check behind the counter for the real thingby denimnerd42 5y agoor maybe like sudafed pe is an advertisement, a reminder to check behind the counter for the real thingfloren 5y agoThe "PE" stands for "placebo, essentially"dkryptr 5y agoThat's essentially the selling point behind Zicam and other homeopathic drugs.