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Digoxin toxicity

Foxglove is a rare cause of poisoning in horses due to vigilant feed practices. Foxgloves (Digitalis spp) are native to Europe, western and central Asia and northwest Africa, but naturalized in the US and Canada. It is found in open woods, clearings, hedgerows and footpaths. Also wildly cultivated. Digoxin, the drug, is globally available. Widespread use for congestive heart failure (CHF) in humans and animals since 1775. However there are newer, safer cardiac therapeutics favored.

Written by Steven Gallego DVM in conjunction with Birgit Puschner DipABVT PhD DVM
Reviewed by Nicola Bates BSc BSc MSc MA SRCS

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This condition is caused by bacterial entry via minor skin wounds, eg abrasions. Infection develops rapidly and follows tissue planes. Usually a single, hindlimb is affected but any limb can be involved. Extensive soft tissue swelling can spread towards and beyond the carpus/tarsus. Thoroughbreds and racehorses are most represented in reported cases.

Updated by Beatrice Funiciello CertAVP(VD) PgDipVPS MRCVS

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Testis neoplasia

Tumors of the testicle are uncommon; the incidence is unknown as most male horses are castrated at an early age. Seminomas are the most commonly reported equine testicular tumors (0.5% intact male horses). May affect cryptorchid or descended testicles. The following topics from the Oncology category have been updated:​

Updated by Anna Hollis BVetMed DipACVIM DipECEIM MRCVS

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