Neogen offers a wide range of oral medications, ranging from antihistamines/expectorants to dry practice oils and liquids, from oral powders and nutritional supplements to liquid feed and vitamin supplements. Our antihistamines/expectorants products include Tri-Hist® Granules, a cornmeal-based antihistamine decongestant powder for use when antagonizing preparation is required, and Spec-tuss™, a palatable powder used as an expectorant in horses.