I tried Comfortis a few years back and almost 50% of my dogs got nauseated on it, a couple really violently ill. That did it for me. Molly In a message dated 6/17/2013 3:02:26 P.M. Central Daylight Time, dmrad@xxxxxxxxxxxxxx writes: reports of adverse reactions in dogs receiving the drug Comfortis® (spinosad) concurrently with high, extra-label doses of the drug ivermectin. What is "extra-label"? Thanks, Donna in NC On Jun 17, 2013, at 3:37 PM, Shirley wrote: > Interactions between comfortis and high doses of ivermectin. > > Read here: > > http://www.fda.gov/AnimalVeterinary/NewsEvents/CVMUpdates/ > ucm047942.htm > > Shirley > > ============================================================================ POST is Copyrighted 2012. All material remains the property of the original author and of GSD Communication, Inc. NO REPRODUCTIONS or FORWARDS of any kind are permitted without prior permission of the original author AND of the Showgsd-l Management. ALL RIGHTS RESERVED. Each Author is responsible for the content of his/her post. This group and its administrators are not responsible for the comments or opinions expressed in any post. ALL PERSONS ARE ON NOTICE THAT THE FORWARDING, REPRODUCTION OR USE IN ANY MANNER OF ANY MATERIAL WHICH APPEARS ON SHOWGSD-L WITHOUT THE EXPRESS PERMISSION OF ALL PARTIES TO THE POST AND THE LIST MANAGEMENT IS EXPRESSLY FORBIDDEN, AND IS A VIOLATION OF LAW. VIOLATORS OF THIS PROHIBITION WILL BE PROSECUTED. For assistance, please contact the List Management at admin@xxxxxxxxxxx VISIT OUR WEBSITE - http://showgsd.org SUBSCRIPTION:http://showgsd.org/mail.html NATIONAL BLOG - http://gsdnational.blogspot.com/ ============================================================================