Efficacy of albendazole against giardiasis in dogs
1993
Barr, S.C. | Bowman, D.D. | Heller, R.L. | Erb, H.N.
Efficacy of albendazole for treating giardiasis in dogs was assessed in 3 experiments. In experiment 1, Giardia cysts were cleared from feces of 5 of 7 dogs (as determined by the zinc-sulfate concentration technique) after the dogs received a single dose of albendazole (25 mg/kg of body weight, PO), whereas feces of 3 of 7 dogs became clear of cysts without treatment. In experiment 2, feces of 5 of 5 dogs became clear of cysts after albendazole treatment (25 mg/kg, PO, q 12 h for 4 doses); feces of 1 of 5 untreated control dogs became clear. In experiment 3, feces of 18 of 20 dogs became clear of cysts after albendazole 25 mg/kg, PO, q 12 h for 4 doses) was given; none of the 20 control dogs had feces clear of cysts. Signs of toxicosis were not observed in any dog. These results indicate that a single dose of albendazole (25 mg/kg, PO) is not effective for treating giardiasis in dogs. However, 4 doses of albendazole (25 mg/kg, PO, q 12 h) are highly effective and nontoxic for treatment of giardiasis in dogs.
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