Unlocking the Mystery: What Does U22 Mean on a Pill?
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5 min read
According to the FDA, every prescription and over-the-counter pill must carry a unique imprint code for identification. When you find a pill marked with the letters and numbers “U22,” it is a crucial piece of information, but it is not enough on its own to identify the drug; other factors like shape and color are vital because a white round U22 pill can indicate a highly controlled opioid, while an oblong U 22 pill is a beta-blocker.
