Break the flea life cycle with FRONTLINE Plus. Specially formulated with fipronil and (S)-methoprene to kill existing adult fleas, flea eggs and flea larvae to guard against further infestations for flea control. What makes Permethrin so dangerous is that it can't distinguish between insects and mammals which of course includes human beings. It's been known to be lethal to cats since the 1970's. In fact it's so deadly to cats that even a slight transfer from dog to cat can result in seizures, brain damage and death. Permethrin is volatile as well - meaning it's airborne properties pose a threat to all who breath it in - humans included. Weigh yourself. To determine the correct Frontline Plus dosage, you will need to establish your dog’s weight. To determine your dog’s weight, you will need to weigh yourself first. [2] X Research source If your dog weighs 45 to 88 pounds, then buy the 45-88 lb. box. The 45-88 lb. box comes with three 2.68 applicators. It's a slippery slope, but in evaluating what's best for your dog by providing the highest level protection with the lowest risk Frontline and FrontLine Plus are in my opinion your best bet.

This article was co-authored by Pippa Elliott, MRCVS. Dr. Elliott, BVMS, MRCVS is a veterinarian with over 30 years of experience in veterinary surgery and companion animal practice. She graduated from the University of Glasgow in 1987 with a degree in veterinary medicine and surgery. She has worked at the same animal clinic in her hometown for over 20 years. In the event your pet has a bad reaction to Frontline products these are the symptoms you would see:

Calculate your dog’s weight. Subtract your weight from the total weight, i.e., the weight of you and your dog together. The resulting number is your dog’s weight. [4] X Research source FRONTLINE Plus also contains an important addition of (S)-methoprene which works to prevent the multiplication of fleas by killing fleas in their immature stages (eggs, larvae and pupae). The wise choice is to minimize that risk in your effort to protect your best friend from the diseases these vermin carry. Again, these diseases can be infinitely more lethal than the ingredients of the protection. To that end your safest and most effective choice is Frontline or Frontline Plus. If your dog weighs 23 to 44 pounds, then buy the 23-44 lb. box. The 23-44 lb. box comes with three 1.34ml applicators.