Pyrethrin and pyrethroid are insecticides typically used for treating flea and tick. An adverse reaction to any of these toxins will affect the dog's nervous system, .
Oral flea and tick medications are pills or tablets that treat and prevent. Less commonly seen side effects are lethargy, itching, excessive salivation, or rarely, seizures. Make sure to give the dose appropriate for your pet's weight and species.
I lost my dog 7 weeks after giving her an oral flea medication.. work the best & Patch has no side effects, he's very sensitive to medications etc.
Q: How does NexGard kill fleas? A: NexGard. Q: Why am I seeing more fleas on my pet after administering NexGard? A: NexGard. A: Because NexGard is an oral product, swimming or bathing has no effect on NexGard. Your dog's. Q: Can I use it if my dog is on medication?. Q: Are there any side effects of NexGard?