Active ingredients: Pseudoephedrine hydrochloride and pyrilamine maleate Tri-Hist Granules are an FDA-approved cornmeal-based antihistamine for horses. Available in SmartPaks or in a 20 oz jar (each ounce contains 600 mg pyrilamine maleate and 600 mg pseudoephedrine hydrochloride). NOTE: A maximum of one 20 oz jar per horse may be shipped at one time. NOTE: Due to federal regulations, a maximum of 20oz (1 jar) of Tri-Hist per horse may be shipped at one time.
Please note that this item requires a veterinarian's prescription. Click here for more information.
State and federal regulations prohibit us from accepting pharmaceuticals for return.
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