Rhamnus catharticus (common buckthorn, hartshorn). A genus of the plant family RHAMNACEAE. Dioecious bush or small tree, with thorny branches. Leathery, veined, oval leaves, small indistinct, yellow-green flowers and purplish-black fruits containing two to four woody seeds.

[affected.gif] Animals most affected
Cattle, sheep, goats, (dogs, horses).

[etiology.gif] Etiology
Grazing off branches, ingestion of fruit. Poisonings uncommon.

[toxic.gif] Toxicity
Contains potent emetic heterosides: anthracene glycosides.
Oral doses not known:
LD dogs 50 80 g fruit


Clinical features
Gastrointestinal effects (severe)

Neurological effects
Possibly death.

[lesions.gif] Lesions

[treatm~1.gif] Treatment