UNSPSC 51173100: Combination histamine antagonists

This classification denotes combination drugs containing preparations that bind to but do not activate histamine receptors, thereby blocking the actions of histamine or histamine agonists, thus the term ANTIHISTAMINES, and which thereby act in the bronchi, capillaries, and other smooth muscles to prevent or allay motion sickness, seasonal rhinitis, and allergic dermatitis and to induce somnolence. Typical combination histamine antagonist constituents are dextrose and sodium chloride.

UNSPSC 51173100 Combination histamine antagonists is a Class code that shows a marked mismatch between its nominal scope and recent state and local procurement activity. The two most recent opportunities posted under this code bear no relationship to combination histamine antagonists—one solicits liquid aluminum sulfate (alum) for wastewater treatment phosphorus removal, and the other solicits medical aid supplies including antiseptic sprays, hydrogen peroxide, aspirin, and first aid kits for fire rescue operations. Neither product category aligns with the code's stated pharmaceutical scope. The issuing bodies represent different municipal departments: the City of Austin's water utility and the City of Tampa's Fire Rescue Department. This coding mismatch suggests either a systematic tagging error in the source data or a code that state and local procurement offices are applying inconsistently to chemical and supply categories that fall outside its intended definition.

The geographic spread reflected in the recent opportunities spans Texas (Austin) and Florida (Tampa), with no indication of broader national activity under this code for its stated purpose. Because the recent opportunities are unrelated to combination histamine antagonists, the code does not support a reliable profile of what state and local governments actually procure under it or which jurisdictions pursue such procurements. No relevant purchasing patterns or representative opportunities exist in the source material to guide business development strategy. Practitioners should verify the correct UNSPSC classification for pharmaceutical histamine antagonist products before pursuing opportunities tagged under this code.