Yes, you can buy without a prescription in most U.S. states, but it is kept behind the pharmacy counter rather than on open shelves. While you don't need a doctor's note, federal law requires you to show a government-issued photo ID and follow strict purchase limits. Navigating the Pharmacy: How to Buy Sudafed

Buying original Sudafed involves a few more steps than picking up a bottle of aspirin. Because its active ingredient, , can be diverted for illegal use, its sale is regulated by the Combat Methamphetamine Epidemic Act of 2005 . Where to Find It

You must go to the pharmacy counter and ask a pharmacist or technician for it.