Expiration Date: Fix Mox 500 – EXP: 8/2027 Fix Mox 250 – EXP: 5/2027 Fix Flex 500 – EXP: 6/2027 Fix Flex 250 – EXP: 4/2026 Fix Doxy 100 - 30 – EXP: 2/2026 Fix Doxy 100 - 60 – EXP: 6/2026 Fix Flox 500 – EXP: 4/2027 Fix Pen 500 – EXP: 6/2026 Fix Sulfa 960 – EXP: 12/2028 Fix Zithro 250 – EXP: 6/2027 Fix Zole 500 – EXP: 2/2027 Fix Zole 250 – EXP: 12/2026 Fix Cin 150 – EXP: 8/2026 Reef Flux 200mg – EXP: 2/2027 Expiration Date: Fix Mox 500 – EXP: 8/2027 Fix Mox 250 – EXP: 5/2027 Fix Flex 500 – EXP: 6/2027 Fix Flex 250 – EXP: 4/2026 Fix Doxy 100 - 30 – EXP: 2/2026 Fix Doxy 100 - 60 – EXP: 6/2026 Fix Flox 500 – EXP: 4/2027 Fix Pen 500 – EXP: 6/2026 Fix Sulfa 960 – EXP: 12/2028 Fix Zithro 250 – EXP: 6/2027 Fix Zole 500 – EXP: 2/2027 Fix Zole 250 – EXP: 12/2026 Fix Cin 150 – EXP: 8/2026 Reef Flux 200mg – EXP: 2/2027

-17%

Fish Levofloxacin 500mg – 30 Tablets

$49.99 $59.99

In Stock

FREE 1-3 day shipping over $49

Check The Latest Expiration Dates

Wondering if your fish antibiotics are still safe and potent? Welcome to the official FishAntibiotics.us expiration date tracker—the most accurate and up-to-date source for ensuring you receive the freshest fish meds online.

Whether you're purchasing trusted Fish Mox (Amoxicillin), powerful Fish Zole (Metronidazole), or broad-spectrum solutions like Fish Flex (Cephalexin) or Fish Sulfa (Sulfamethoxazole/Trimethoprim), we keep you informed. Updated regularly, this guide helps you compare your product with the latest batch from FishAntibiotics.us.

We specialize in only the most reliable, pharmaceutical-grade aquarium antibiotics, including ciprofloxacin, azithromycin, clindamycin, and fluconazole. Buy with confidence, knowing your medication hasn’t passed its prime.

FishAntibiotics.us Product Expiration Dates

Fish Mox – Amoxicillin 500mg 100 Capsules – Expires: 08/2027
Fish Mox – Amoxicillin 250mg 100 Capsules – Expires: 05/2027
Fish Doxy – Doxycycline 100mg 30 Capsules – Expires: 02/2026
Fish Doxy – Doxycycline 100mg 60 Capsules – Expires: 06/2026
Fish Sulfa – Sulfamethoxazole & Trimethoprim 960mg 60 Tablets – Expires: 12/2028
Fish Sulfa – Sulfamethoxazole & Trimethoprim 960mg 30 Tablets – Expires: 12/2028
Fish Pen – Penicillin 500mg 30 Tablets – Expires: 06/2026
Fish Pen – Penicillin 500mg 60 Tablets – Expires: 06/2026
Fish Flox – Ciprofloxacin 500mg 30 Capsules – Expires: 04/2027
Fish Flox – Ciprofloxacin 500mg 60 Capsules – Expires: 04/2027
Fish Flex – Cephalexin 250mg 100 Capsules – Expires: 04/2026
Fish Flex – Cephalexin 500mg 100 Capsules – Expires: 06/2027
Fish Zole – Metronidazole 250mg 60 Tablets – Expires: 12/2026
Fish Zole – Metronidazole 500mg 60 Tablets – Expires: 02/2027
Fish Zithro – Azithromycin 250mg 30 Tablets – Expires: 06/2027
Fish Cin – Clindamycin 150mg 100 Capsules – Expires: 08/2026
Reef Flux – Fluconazole 200mg 10 Capsules – Expires: 02/2027

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Product Description
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Fish Levofloxacin 500mg Advanced Treatment for Resistant Bacterial Infections – No Prescription Required

Fish Levofloxacin 500mg – 30 Tablets is a pharmaceutical-grade fluoroquinolone antibiotic formulated to treat advanced bacterial infections in aquarium fish. This prescription-free antibiotic is highly effective for:

Popeye (eye swelling)
Septicemia (blood infection)
Fin rot and body ulcers
Cloudy eye and swim bladder disorders
Internal systemic infections caused by gram-negative and gram-positive bacteria

Each tablet delivers 500mg of Levofloxacin, designed for serious aquarists looking for results. Safe for both freshwater and marine fish when dosed correctly.

Prescription-free
Broad-spectrum coverage
Ships fast from U.S. warehouse

DIRECTIONS FOR USE:

Dosage: Use one tablet (500mg) per 20 gallons of aquarium water.

Dissolve in a small amount of tank water first, then pour directly into aquarium, pond, or hospital tank
Repeat every 24 hours for 5–7 days (Do not exceed 7 days)
Perform a 1/4 water change daily during treatment

For ornamental aquarium use only. Do not use in fish intended for human consumption.

STORAGE INSTRUCTIONS:

Store in a cool, dry place below 77°F (25°C).
Keep bottle tightly closed and away from sunlight and humidity.
Keep out of reach of children and animals.

PRODUCT FAQ:

Q: What does Fish Levofloxacin treat?
A: It is effective against septicemia, fin rot, popeye, internal infections, and resistant gram-negative bacteria.

Q: Does this product require a prescription?
A: No. This product is available over-the-counter and labeled for aquarium use.

Q: Can I use this in a planted or reef tank?
A: Yes, but it's recommended to monitor water parameters closely.

Q: How fast do you ship?
A: Orders placed before 2 PM ship same day from our U.S. warehouse.

Your order of 49$ or more gets free delivery.