Promethazine DM: The Quiet Story Behind a Legacy Drug
For decades, Promethazine DM has held a quiet but firmly rooted place in American medicine cabinets and pharmacy shelves, known mostly as a prescription combination used to manage symptoms such as allergies, nausea, motion discomfort, and cough. Within the first hundred words, the search intent becomes clear: readers want to understand what Promethazine DM is,…
