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Can I give my cat her antifungal medicine early without double dosing?

Updated on September 23rd, 2025

Pet's info: Cat | Domestic Shorthair | Female | spayed | 10 months and 10 days old | 8 lbs

Hi, my cat is on once a day antifungal medication (fluconazole) but I need to give her an early dose. I usually give her antifungal tablet and liver supplement at 8 pm daily but due to an emergency I have to give her the medicine at 4 pm. Is it okay or is it considered double dosing?

1 Answer

Most Helpful Answer

Dr. Strydom, DVM

Answered By Dr. Strydom, DVM

Veterinarian

Published on March 11th, 2022

Hello, thank you for using Petco Pet Education Center, formerly Petcoach.

If you only gave the medication at 4pm and not both 4pm and 8pm she should be fine. Giving it 4 hours early is OK. Just try your best to give it every 24 hours if at all possible.
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