Synthetic triazole antifungal agent — targeted treatment for fungal infections in freshwater and saltwater ornamental fish.

Antifungal — not an antibiotic. Fluconazole targets fungal organisms, not bacteria. If your fish has a bacterial infection, browse our fish antibiotic collection. If you are unsure whether the infection is fungal or bacterial, look for white cottony patches, fuzzy growths, or cloudy eye — these are common signs of fungal disease.

Why choose Fluconazole? Fluconazole is a synthetic triazole antifungal — one of the most effective and well-tolerated antifungal agents available for ornamental fish. It works by inhibiting the synthesis of ergosterol, a key component of fungal cell membranes, causing the fungal cells to rupture and die. It is particularly effective against internal and systemic fungal infections, making it the preferred choice when topical treatments or water-soluble antifungals have not resolved the condition. Also commonly known as Diflucan, it is highly regarded by aquarium hobbyists for its reliable efficacy and broad antifungal spectrum.

About This Product

Fluconazole is a synthetic triazole antifungal agent effective against a broad spectrum of fungal organisms affecting ornamental fish. It works by inhibiting the enzyme lanosterol 14α-demethylase, which is essential for ergosterol biosynthesis in fungal cell membranes. Without ergosterol, fungal cells cannot maintain structural integrity and die — while fish cells remain unaffected since they do not contain ergosterol.

Each tablet contains USP-grade Fluconazole 100mg in a 30-tablet count. Fluconazole is especially valuable for treating internal and systemic fungal infections that do not respond to topical or water-additive treatments. It is one of the most respected antifungal options in ornamental fishkeeping and is effective in both freshwater and saltwater tanks.

Also commonly searched as: fish fluconazole, fluconazole for fish, fish fungal infection treatment, diflucan fish antifungal, fish flucon equivalent, triazole fish antifungal, aquarium antifungal medication.

Commonly Treats

• Cotton fungus (Saprolegnia)
• Systemic & internal fungal infections
• Eye fungal infections (cloudy eye)
• Fungal gill disease
• White cottony patches on body or fins
• Fuzzy growths on wounds or eggs
• Egg fungus (in breeding tanks)
• Fungal infections unresponsive to topical treatment
  

Directions for Use

1. Determine your dose: Use one 100mg tablet per 50 gallons of aquarium water.
2. Dissolve the tablet in a small amount of aquarium water before adding to the tank. Stir until fully dissolved.
3. Add directly to your aquarium, pond, or hospital/quarantine tank.
4. Repeat every 24 hours for 5–10 days. Do not exceed 10 days of continuous treatment.
5. Perform a 25% water change each day before re-dosing to maintain water quality and reduce medication buildup.

Product Specifications

• For ornamental fish use only. Not intended for use in fish raised for human consumption.
• Not for human consumption. Do not ingest. This product is sold for aquarium fish treatment only.
• Keep out of reach of children. Store in a cool, dry place away from children and pets.
• Do not exceed 10 days of continuous treatment.
• Remove activated carbon from your filter before treatment — carbon will absorb the medication and render treatment ineffective.
• Not effective against bacterial infections. Fluconazole targets fungal organisms only. If a bacterial infection is also present, a separate antibiotic treatment may be required alongside antifungal therapy.

Label & Usage Disclaimer: Please read and follow all label directions before use. Product descriptions and usage instructions shown here are taken directly from the manufacturer’s product label and information provided by Montana Aquarium Supply. These statements do not represent the views or recommendations of Pittsboro Pet Supply or Pittsboro Feed. Made in the USA. Distributed by Montana Aquarium Supply – Billings, MT.