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Ask Dr. Michael Salkin Your Own Question
Dr. Michael Salkin
Dr. Michael Salkin, Veterinarian
Category: Vet
Satisfied Customers: 32739
Experience:  University of California at Davis graduate veterinarian with 45 years of experience.
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My dog keeps scratching its not fleas but little black long

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my dog keeps scratching its not fleas but little black long things
You appear to be describing lice. Here's my synopsis on how to deal with these disgusting insects: 1. Affected and all in-contact same-species animals should be treated.2. Matted hairs should be clipped away.3. Traditional therapy is to topically treat your dog's entire body with over the counter 2% lime sulfur, pyrethroids, carbaryl, or organophosphate shampoo, powder, spray, or dip twice 2 weeks apart. Just about any flea insecticide kills lice.4. Alternative treatments include the following:Injectable ivermectin given at 0.2 mg/kg orally or subcutaneously 2 weeks apart. Ivermectin is available over the counter in pet/feed stores. Please let me know if you need help figuring the dose for your dog.Selamectin (Revolution) spot-on (as per label), topically twice 2 weeks apart. Treatment administered every 2 weeks at least four times may be more effective. This is a prescription drug available through your vet.Injectable doramectin given at 0.2-0.4 mg/kg orally every week for 3-4 weeks. This is a prescription drug available through your vet.0.25% fipronil pump spray (over the counter Frontline, e.g.) 6ml/kg, topically, twice, 2 weeks apart.10% fipronil spot-on (over the counter Frontline, PetArmor, Fiproguard, e.g.) topically, twice 2 weeks apart.5. Bedding, grooming tools, and environment should be cleaned at least once. A professional fumigator is suggested if you've struggled with this problem for quite some time.6. Prophylactic use of insecticidal flea collars may protect exposed animals from infestation, but avoidance of infected animals is ideal. Eliminating the source is the ticket.The prognosis is good. Lice are highly contagious from dog to dog and from cat to cat, but they aren't considered contagious from dogs or cats to humans. Please respond with further questions or concerns if you wish.
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Thank you for your kind accept. I appreciate it.
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