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Ask Dr. Michael Salkin Your Own Question
Dr. Michael Salkin
Dr. Michael Salkin, Veterinarian
Category: Dog
Satisfied Customers: 26945
Experience:  University of California at Davis graduate veterinarian with 44 years of experience
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My nine week old puppy looks as if she might have giardia. the vet has given her metronida

Customer Question

my nine week old puppy looks as if she might have giardia. the vet has given her metronidazole, however, it was a sloppy prescription. firstly they gave me too few pills, saying she needed seven days worth, with only four pills, and thirdly she has been given 200mg per day. this seems too high, given the stated rate of 15mg per pound. she weighs 9.7 pounds. i am concerned. she has not had a poo since 11 this morning.
Submitted: 1 year ago.
Category: Dog
Expert:  Dr. Michael Salkin replied 1 year ago.
I'm sorry that your question wasn't answered in a timely manner. Metronidazole will be effective against Giardia approximately 65% of the time it's prescribed. The drug of choice is fenbendazole (Panacur) administered for a week. Metronidazole can be administered alongside the fenbendazole for added effect. The recommended dose of metronidazole is 15 mg/kg twice daily which is equivalent to 6.8 mg/lb twice daily. 200mg of metronidazole in a 9.7 lb dog (20.6 mg/lb) is a significant overdose. Please respond with further questions or concerns if you wish.
Expert:  Dr. Michael Salkin replied 1 year ago.
Hi,

I'm just following up on our conversation about Elsie. How is everything going?

Dr. Michael Salkin