Not exact matches
While the cause of IBD is poorly understood, current evidence suggests that some type of
hypersensitivity reaction in the GI tract of each affected pets is
involved.
Merck also tells us that serum (which is used in vaccines) can cause Type III
hypersensitivity reactions, including an inflammatory skin condition
involving painful local lesions leading to tissue necrosis (tissue death), as well as wide - spread vascular injury.
A mild
hypersensitivity - type
reaction presumably due to dead or dying microfilariae, particularly
involving a transient diarrhea, has been observed in clinical trials with ivermectin alone after treatment of some dogs that have circulating microfilariae.