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My 62lb puppy outgrew NexGard. Can I give him two doses?

Updated On September 23rd, 2025

Just took my 9 month old puppy in for his weigh in before I give them his preventative meds and find out he is 62 pounds and all of these NexGuard flea and tick medication’s 25-60 lbwill not work for him. The vet said if I gave him the one of these that he wouldn’t be fully protected from fleas and ticks. Is there any way I can give him one and maybe a little bit of another NexGuard pill or am I better off trying to sell these? I’m really upset because I paid over $100 for these pills at Costco.

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1 Answer

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Answered By Linda G, MS, DVM

Veterinarian

Published on May 29th, 2018

Hello. It would be best to make sure your pet gets the correct dose so the first thing I would try is to see if Costco will exchange the Nexguard for the next higher dose. If not, I would just give your pet 2 of the ones you have. The problem with just breaking off a small piece is the unequal distribution of the product in each chew tab. You may wind up not giving enough. The size you have contains 68 mg of the active ingredient & the next size up that you need ( 60.1 pounds & up ) contains 136 mg. So, 2 tabs are appropriate. Thanks for using Petco Pet Education Center, formerly Petcoach.

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