I was just at Vet's Office, in course of conversation assistant told me they had pulled Triforce (flea,tick,mosquito application) because of 2 allergy reactions. We then went on to explore how it was to be applied for dogs and cats-it is different from Frontline application. The assistant was unaware there was a different application procedure. Almost identical scenario happened a few years ago at another vet's office, that time it was about K9 Advantix( I believe). I wonder if adding the mosquito med to the mix causes the need for different applications. Whatever, reading labels is once more a must do.