In the pharmaceutical industry, Chlorpheniramine Maleate (CPM) 4 mg is a first-generation alkylamine antihistamine. As a pharmacist and manufacturer, I classify this as a “Classic H1-Antagonist.” It is a staple molecule in the global market, particularly valued for its potent anti-allergic properties and its role as a key ingredient in multi-drug cold and flu formulations. … Continue reading What is chlorpheniramine 4mg used for?