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