UNSPSC 51313700: Antihistamine or H1 blocker quinolizines and sulfonamides and thiazines and thiazoles and thiophenes

This classification denotes Antihistamine or H1 blocker drugs made from or based in part on quinolizines, sulfonamides, thiazines, thiazoles, or thiophenes

UNSPSC 51313700 Antihistamine or H1 blocker quinolizines and sulfonamides and thiazines and thiazoles and thiophenes is a Class code that encompasses pharmaceutical products used to treat allergic reactions and related conditions. State and local governments procure under this code primarily through county health departments and public health agencies purchasing medications for community health programs, emergency response, and public-health initiatives. The scope includes both branded and generic formulations of antihistamines and related pharmaceutical compounds, with procurement typically structured as volume-based purchases through competitive bidding to support ongoing public-health operations and emergency preparedness.

Seminole County, Florida represents the primary recent activity under this code. In June 2026, Seminole County issued IFB 60459723LAS seeking 1,900 units of Naloxone and 800 Safe Drug Deactivation Systems annually through competitive bidding, with quarterly deliveries to the Seminole County Community Health Building at 520 W. Lake Mary Blvd, Sanford, Florida. The procurement required electronic bid submission through the county's e-Procurement Portal, with bids due July 26, 2023, at 2:00 pm, and included requirements for E-Verify compliance, drug-free workplace certification, and specific insurance coverage including workers' compensation and commercial general liability. The contract carried a two-year initial term with one-year renewal option and a three-month probationary period allowing termination with or without cause. The solicitation noted potential FEMA funding and corresponding federal compliance obligations under the Clean Air Act and Federal Water Pollution Control Act.