Excellent info: http://www.dogsnaturallymagazine.com/atopica-dangerous-dogs/
( read this article by hitting the link above)
The truth is that many veterinarian, both holistic and conventional, shiver with dread when they contemplate this product called Atopica . One of my clients -a nurse- contacted me after her veterinarian had suggested Atopica. She explained to me the strict rules and protective actions that a nurse needs to take when administering cyclopsporine, (which is the active ingredient in Atopica) to human patients were enough to make her very wary of using the product on her dog.
Atopica is a product that touts its efficaciousness with dogs who have allergies and other dermatological conditions. Most of my readers will know that allergies result from an incorrect response of the immune system to foods and environmental substances. For many years steroids such as prednisolone were used to decrease the ability of the immune system to function and thus relieve the allergies. It’s when steroids can’t and don’t work that Atopica is prescribed. Why does it often work so well? What does it do? How does it work?
Cyclosporine is a mycotoxin. Mycotoxins are harmful products produced by fungi. They are chemical in nature and are immune suppressing. Fungi rely on the mycotoxins they produce to kill any bacteria, other fungi, viruses and anything else that might compete with them. They suppress the immune system of dogs, cats and humans. Some examples of mycotoxins found in nature are aflotoxins, the most potent carcinogen on earth, and ocharatoxins- both produced by an Aspergillus fungi. Medical mycotoxins include Adriamycin, a chemotherapy drug, and lovastatin, a cholesterol-lowering drug.