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Ask Dr. Michael Salkin Your Own Question
Dr. Michael Salkin
Dr. Michael Salkin, Veterinarian
Category: Dog Veterinary
Satisfied Customers: 24466
Experience:  University of California at Davis graduate veterinarian with 44 years of experience
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Trying to figure out Zyrtec dosage 120 lb. Newfoundland with

Customer Question

Trying to figure out Zyrtec dosage for a 120 lb. Newfoundland
with flea allergy.
Have used Pred but he cannot stop peeing anytime he is on it. He just finished a round and also antibiotics and has now chewed 3 new hot spots in the last 12 hours.
Submitted: 1 year ago.
Category: Dog Veterinary
Expert:  Dr. Michael Salkin replied 1 year ago.
Aloha! You're speaking to Dr. Michael Salkin
Based on a single-blinded (owners), placebo-controlled study, 0.5 mg/lb once daily resulted in satisfactory control of pruritis (itchiness) in 18% of dogs evaluated in the study. Not terribly impressive but consistent with the results in a large study of antihistamines and allergic dermatitis in dogs performed at UC Davis a few years ago.
Anecdotal dosing is 10-20 mg/dog which makes more sense for such a big dog as Tank. I would see how 20 mg of that antihistamine affects him. An anti-pruritic tranquilizer such as Acepromazine should be considered for him. It's available through his vet.
Please respond with further questions or concerns if you wish.
Expert:  Dr. Michael Salkin replied 1 year ago.
Hi Jackie,
I'm just following up on our conversation about Tank. How is everything going?
Dr. Michael Salkin