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

-10%

Fish Amoxicillin Clavulanate 875/125mg – 30 Tablets

$89.99 $99.95

In Stock

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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 Amoxicillin Clavulanate Broad-Spectrum Antibiotic for Resistant Fish Infections – No Prescription Required

Fish Amoxicillin Clavulanate 875/125mg – 30 Tablets Combat difficult fish infections, a pharmaceutical-grade antibiotic formulated to fight bacterial strains that resist ordinary treatments. This potent combination of Amoxicillin and Clavulanic Acid is trusted for the treatment of:

Ulcers and open sores
Popeye (exophthalmia)
Columnaris (mouth rot)
Hemorrhagic septicemia
Fin rot, red streaks, and internal infections

Perfect for use in both freshwater and marine aquariums. This high-strength blend penetrates infected tissue quickly, helping restore fish health without a vet visit.

✔ No veterinary prescription required
✔ Each bottle contains 30 tablets (875mg Amoxicillin / 125mg Clavulanate)
✔ USA shipping with discreet packaging

DIRECTIONS FOR USE:

Add one tablet (1000 mg) into aquarium for every 40 gallons of water.
Repeat after 24 hours. A partial water change is recommended between treatments.

Duration: Treat for a minimum of 5 days, and no more than 10 days.
Important: Discontinue use if no improvement is noted within 5 days.
For ornamental fish only. Not for human use.

STORAGE:

Store in a cool, dry place below 77°F (25°C).
Keep bottle tightly closed and protect from moisture and light.
Keep out of reach of children and pets.

FREQUENTLY ASKED QUESTIONS (FAQ):

Q: Does this product require a prescription?
A: No. This product is labeled for fish use and can be purchased without a veterinary prescription.

Q: Is this safe for all aquarium fish?
A: Yes, when dosed properly. It is intended for ornamental freshwater and saltwater fish.

Q: Can this treat popeye and ulcers?
A: Yes. This formula is commonly used to treat popeye, ulcers, columnaris, and internal infections.

Q: Will this affect aquarium plants or biofilters?
A: In most cases, it does not harm plants or biofiltration when used as directed, but monitor ammonia levels closely.

Q: How fast is shipping?
A: Orders ship from U.S.-based warehouses within 1 business day.

Your order of 49$ or more gets free delivery.