The demand for PSE-containing cold, allergy, and sinus products is growing due to their effectiveness and convenience. PSE is an active ingredient found in various cold, allergy, and sinus drugs that can provide congestion relief. However, PSE-containing medicines are mostly sold as a prescription drug, as PSE can also be used for the illegal manufacture of methamphetamine, a recreational drug. This has led drug manufacturers to produce tamper-resistant PSE products. For instance, in March ... Read more