Fleas, ticks and other biting insects are more than a nuisance they're a health risk for dogs everywhere. Without proper flea prevention and pest control, a flea infestation or bite from an insect can transmit diseases and infections to your pet. Thankfully, Advecta is here to help and Advecta 3 for large dogs offers protection from fleas, ticks and pests of all kinds. Has your dog been scratching more than usual, it may be a sign of a flea infestation or another pest. Without regular flea and tick prevention treatments, all dogs are at risk of fleas, ticks, fly bites and the diseases that can come with them. That's why we created Advecta 3, a powerful, flea and tick prevention product that protects from pests with just one monthly treatment.