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AniHist is an oral antihistamine and expectorant for use in horses.
Usual dosage: Feed 1/2 ounce (1 tablespoonful) per 1000 lbs body weight mixed with normal feed ration and can be repeated at 12 hour intervals.
Each ounce contains: Guaifenesin USP 2400 mg, Pyrilamine Maleate USP 600 mg.
20 oz with 1/2 ounce measuring scoop