Skip header
Free Shipping Over $49
Live Customer Care
Monday-Friday: 8AM - 7PM EST
Saturday: 9AM - 5PM EST
My ProfileMy OrdersMy AutoShipMy RxMy PetsMy VetsMy RewardsSign In
Save Up To 10% On Your First AutoShip

Fish Flox (Ciprofloxacin)

4.85 out of 5 stars
This Item Ships FREE!

Please confirm

This item is already on your autoship schedule! Are you sure you want to add it again?
Count :*

Product Overview

How To Use

What’s in it?


Questions & Answers

Product Description

Fish Flox contains ciprofloxacin, a fluoroquinolone class, broad-spectrum antibiotic that combats gram-negative and certain gram-positive bacterial infections such as black patch necrosis syndrome, fin rot, and other types of infection.

What is Fish Flox (Ciprofloxacin)?

Fish Flox (Ciprofloxacin) is an antibiotic for fish that is effective in treating gram-negative and some gram-positive bacterial infections such as aeromonads, flexibacteria, vibrios.

Who is Fish Flox (Ciprofloxacin) for?

For use in aquarium, ornamental, and exotic fish.

Why use Fish Flox (Ciprofloxacin)?

Fish Flox uses ciprofloxacin to treat saltwater and freshwater furunculosis. It is useful for controlling flexibacteria, vibrios, and aeromonads, and treating black patch necrosis, saddleback, and fin rot.

How does Fish Flox (Ciprofloxacin) work?

Ciprofloxacin is a broad-spectrum antibiotic that is effective against gram-negative and some gram-positive bacteria in fish.


Thomas Laboratories

Active ingredient(s):


How is Fish Flox (Ciprofloxacin) sold?

Fish Flox (Ciprofloxacin) is sold in bottles of 30 or 100 tablets in 250 mg or 30 or 100 capsules in 500 mg Forte

What special precautions are there?

  • Keep out of reach of animals and children.
  • Not for use in fish intended for human consumption.

What to do if overdose?

Contact your closest emergency pet hospital.

How can I store Fish Flox (Ciprofloxacin)?

Store in a dry and cool environment.

Helpful Tips:

Keep lid tightly sealed.


Dosage & Administration: Pre-dissolve one tablet (250 mg) per gallon of water in a small amount of water prior to adding to a hospital tank. Immerse for one hour. Repeat every day for 5-7 days with daily water changes after each treatment. Ciprofloxacin chelates divalent cations water hardness (increase dose for marine fish) and high divalent cations in diet. Its activity decreases with high pH (>6.9). It can be bacteriostatic or bactericidal depending on the effective concentration at the target site.
Dogs and Cats (Off-Label Use): 10-20 mg/kg (4.5-9 mg/lb) every 24 hours
Off-Label Use in Dogs & Cats: Ciprofloxacin has activity against E. coli, Kelebsiella, Proteus,Pseudomonas, Staphylococcus, Salmonells, Shigella, Yersinia, Camphylobacter, and Vibrio species. Ciprofloxacin is used to treat genitourinary tract infections, including prostatitis, severe bacterial gastroenteritis, infections of the respiratory tract, and external auditory canal.
- Avoid use in young animals because of the risk of cartilage injury. Dogs are most sensitive at 4-28 weeks of age. Large, rapidly growing dogs are the susceptible.
- Use with caution in animals that may be prone to seizures, such as those with epilepsy.
Keep out of reach of children. For aquarium use only. Intended for ornamental fish and/or ornamental organisms, and not intended for use with fish for human consumption.

Main Ingredients


Write a Review

Fish Flox (Ciprofloxacin)

Ask a New Question

Don’t know something or can’t find the information you are looking for? Ask us a question!

*Required Fields
We will ONLY use your email to notify you in regards to your submission.Privacy StatementQuestions & answers are typically posted within 24 hours, pending approval.