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.
Nexgard Spectra. 1  An exclusive chew that only treats fleas and ticks but also gastrointestinal nematodes in a single treatment. 2  Beef flavor which makes its taste highly palatable which makes dogs to crave for more. 3  Ideal for dogs 8 weeks of age and above and more than 2kg bodyweight.