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Updated: Jan 22, 2026

Mechanical and Controlled PRP Injections in Patients Affected by Androgenetic Alopecia
Published on: January 27, 2018
Alopecia a potential adverse side effect of albendazole use in alpacas
Luis A Gomez-Puerta1, Johan Carrasco2, Ana M Vargas-Calla1
1Universidad Nacional Mayor de San Marcos, School of Veterinary Medicine, Department of Veterinary Epidemiology and Economics Av. Circunvalacion 2800. San Borja Lima 41. Peru.
Abstract:
Albendazole is a benzimidazole derivative with anthelmintic activity. It is the treatment of choice for fasciolosis. The use of albendazole in South American camelids is common, however, there are no studies about the pharmacokinetics and pharmacodynamics of albendazole in alpacas and llamas. In the present study, a case of fiber loss (alopecia) in alpacas is described because of the suspected use of a high dose of albendazole. In a fasciolosis control program of an alpaca ranch located in the district of Nuñoa in Puno, Peru, 2184 alpacas were oral treated with albendazole (35-40 mg/kg). After 2 weeks of treatment the alpacas began to show loss of fiber in the abdomen, flanks and neck. The alpacas showed no other sign of disease. The alpacas recovered their fiber after 6 months. We suggest studies are needed to determine the safe dose of albendazole in alpacas.
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