Under the , there are specific rules for buying pseudoephedrine-based products without a prescription : SUDAFED® Frequently Asked Questions (FAQ)

To buy "proper" (the version containing pseudoephedrine ), you must go to a pharmacy counter in person . While Sudafed PE (containing phenylephrine) is sold on open store shelves, products with pseudoephedrine are restricted and kept "behind-the-counter" (BTC) due to federal regulations . Where to Buy

: Many Safeway , Kroger, and Publix locations with internal pharmacies carry it behind the counter .