Essentially, drug interactions are extremely complex and linked to phar-macokinetics, which involve drug absorption, distribution, metabolism, and excretion. Role of Food and Nutrition There is a dynamic relationship between what we eat and the medications we take.
Remember that none of the flea/tick products or methods of control and prevention is 100% effective, 100% of the time. I believe Nexgard and Bravecto are safe and effective choices for most dogs and are a great alternative when topicals and collars are not an option.
Report Abuse. The person that wrote the flea or tick has to bite for it to work is right. Nexgard sucks. I have use Advantix or frontline for years and hadn't found fleas or ticks. Tonight, on my bed, in my bed, I found 1dead tick and 1live tick under my heated blanket. Nexgard was pushed by my vet, I'm going back to Advantix. Fleas I can handle and deal with, ticks I cannot.