Dr. Tony answers your questions

Do you have a question about SENTRY® Fiproguard®*? Use these frequently asked questions as a guide. Or contact us for more information.


What does this product kill?


SENTRY Fiproguard® Fiproguard Plus for Dogs provides six-way protection and will kill adult fleas, flea eggs, flea larvae, ticks, chewing... More»


What is chewing lice?


Chewing lice are insects that can be seen with the naked eye. They are flat and do not have wings. They are what are considered host specific (They do not... More»

Dr. Tony

Meet Dr. Tony

When it comes to helping pets live healthier, happier lives, it's hard to find someone more dedicated than Dr. Tony Johnson. "Dr. Tony", as pet parents and colleagues refer to him, is a board-certified veterinarian and specialist in emergency medicine and critical care.

In addition to working as an ER veterinarian at a large pet hospital, Dr. Tony is also a clinical assistant professor at the School of Veterinary Medicine at a major national university. His expertise, humor and huge heart for animals are shared with millions through his global presentations and regular conributions to the Pet Health Central Blog.

Dr. Tony is a graduate of the College of Veterinary Medicine at Washington State University. When not practicing veterinary medicine or teaching, he can usually be found with his wife, son and beloved pets - most of whom were former trauma patients he adopted after nursing them back to health.

Where to Buy SENTRY® Fiproguard®

To purchase this product, visit one of these retailers.