Is Frontline Toxic?
Is Frontline Toxic? Fipronil (e.g., Frontline®, Frontline Plus and others), even at concentrations found in spot-on products, is potentially deadly to rabbits, causing appetite loss, lethargy and seizures. #2 Even if you intend to purchase a flea and tick control product elsewhere, talk to your pet’s veterinarian first. Is Frontline bad for humans? Frontline is