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FDA-Approved Drugs for Intramammary Use*

Lactating Cows


Active Ingredient Drug Type Milk Withholding Time Meat Withholding Time Product Name Manufacturer/Marketer
Amoxicillin trihydrat Rx 60 hours 12 days Amoxi-Mast Pfizer, Inc.
Cephapirin (sodium) O-T-C 96 hours 4 days Cefa-Lak/Today Intramammary Infusion Fort Dodge labs
Cloxacillin (sodium) Rx 48 hours 10 days Dariclox Pfizer, Inc.
Erythromicin O-T-C 36 hours 14 days Erythro-36, Gallimycin-36 Rhone Merieux, Inc.
Hetacillin (potassium) Rx 72 hours 10 days Hetacin-K Intramammary Infusion Fort Dodge Labs
Novobiocin O-T-C 72 hours 15 days Special Formula 17900-Forte/Albacillin Suspension Upjohn Co.
Penicillin G (procaine) O-T-C 60-84 hours 3-4 days Aqua-Mast G.C. Hanford Mfg. Co.
O-T-C 72 hours 15 days Speial Formulas 17900-Forte/Albacillin Suspension Upjohn Co.
Pirlmycin Rx 36 hours 28 days Pirsue Upjohn Co.
Salicylic O-T-C 48 hours None Shurjets Jorgensen Labatories, Inc.

*Information provided by Food Animal Residue Databank (FARAD).Information is current as of March 1996. Next Page