What is the main ingredient in Advantage II? The active ingredients in Advantage II are Imidacloprid (9.1%) and Pyriproxyfen (0.46%).
Is Advantage 2 for dogs safe? Side effects, although very rare, may include signs of skin irritation such as redness, scratching or other signs of discomfort. Gastrointestinal signs such as vomiting or diarrhea have also been reported. Restrictions: Use only on dogs 7 weeks and older. Do not apply to puppies or dogs weighing less than 3 lbs.
What chemicals are in advantage for dogs? What is the active ingredient in Advantage and how does it work? Advantage contains imidacloprid. Imidacloprid is an insect neurotoxin and works by interfering with the transmission of impulses along the insect nervous system. This causes paralysis of the insect and its ultimate death.
What are the ingredients in advantage? Active Ingredients: Imidacloprid 9.1%, Pyriproxyfen 0.46%. Active Ingredients: Imidacloprid 9.1%, Pyriproxyfen 0.46%. Active Ingredients: (S)-Methoprene: 4.05%, Etofenprox: 45.00%.