What is Pertussin syrup? Understanding the Dual-Identity Cough Remedy
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3 min read
Though once named for the disease *pertussis* (whooping cough), the term **Pertussin syrup** today refers to different formulations with varying active ingredients, depending on the region. This creates a complex picture for consumers seeking a specific kind of relief, whether from a historical herbal expectorant or a modern chemical cough suppressant.
