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Drugs for the Treatment of GI Parasites in Cattle

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	--------------------GI Tract Location-------------------
Drug Class	Abomasum (Nematodes)	Intestine (Nematodes)	Intestine (Cestodes)
*Benzimidazoles*
Albendazole	Yes	Yes	Yes
Fenbendazole	Yes	Yes	No
Oxfendazole	Yes	Yes	Yes
Thiabendazole	Yes	Yes	No
*Imidazothiazole*
Levamisole	Yes	Yes	No
*Tetrahydropyrimidines*
Morantel	Yes	Yes	No
Pyrantel	No approvals
*Macrocyclic Lactones*
Ivermectin	Yes	Yes	No
Doramectin	Yes	Yes	No
Moxidectin	Yes	Yes	No
Eprinomectin	Yes	Yes	No
*Salicylanilide*
Closantel	No approvals
*Organophosphate*
Haloxon	Yes	Yes	No
This table is based on information from the Food Animal Residue Avoidance Databank (FARAD), obtained May 8, 2023. Label claims regarding specific parasite species or genera as well as susceptible life stages (adult vs. larval vs. inhibited stages) must be observed. Resistance has been reported in all drug classes listed.