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Is Optimyxin safe for my Shih Tzu's eye infection before a vet visit?

Updated on September 23rd, 2025

Pet's info: Dog | Shih Tzu | Male | neutered | 11 years and 4 months old | 14 lbs

My Shih Tzu has an infection in his eye can I use eye drops called optimyxin until I can get him to his regular vet? Each ml has polymyxin B 10,000 units and gramicidin 0.025 mg.

1 Answer

Most Helpful Answer

Jenna Beyer, DVM, MBA, cVMA

Answered By Jenna Beyer, DVM, MBA, cVMA

Veterinarian, Certified Veterinary Acupuncturist

Published on August 13th, 2017

As long as there are only the 2 antibiotics you mentioned in the eye drops and no steroids (like prednisone or hydrocortisone), it will be safe to use as previously prescribed. However, I recommend that Shilo see the vet as soon as possible for diagnosis as sometimes what appears to be an infection may actually be something else, like a corneal ulcer or dry eye.
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