To everyone, I have been using the Frontline Spray (NOT DROPS) since I have had ferrets and I have never had any problems with it. It is the number one vet reccomended product to combat fleas and ticks. Here is a very good article written by Susan Brown, DVM http://www.veterinarypartner.com/Content.plx?P=A&S=0&C=0&A=492 It has the pros and cons of nearly all the flea and tick products. I Have also used Frontline Spray on my beagles for many years. [Posted in FML 6283]