Changes

==Signalment==

==Signalment==

Foals younger than 6 months on a poor worming schedule and with a heavy parasite burden.  Recent history of being wormed with a product that causes sudden ascarid death.

Foals younger than 6 months on a poor worming schedule and with a heavy parasite burden.  Recent history of being wormed with a product that causes sudden ascarid death.

Products that cause sudden death of ascarids, particularly ''Parascaris equorum'' within the small intestine.  Adult ascarids are large and thus readily cause small intestinal impaction.  Suspected products include(37):

Products that cause sudden death of ascarids, particularly ''Parascaris equorum'' within the small intestine.  Adult ascarids are large and thus readily cause small intestinal impaction.  Suspected products include(37):

*Organophosphates

*Organophosphates

*Ivermectin

*[[Macrocyclic Lactones|Ivermectin]]

*Pyrantel pamoate

*Pyrantel pamoate

==Clinical Signs==

==Clinical Signs==