Fish Zithro - Azithromycin 250 mg (30 Count)

-13%

Fish Azithromycin 250 mg Tablets (30 Count)

$95.99 $109.99

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Check The Latest Expiration Dates

Updated 05/21/2025

Looking for the freshest and most reliable fish antibiotics online? Whether you're stocking up on Fish Mox, Fish Flex, Fish Zole, or Fish Sulfa, knowing the expiration dates is essential for ensuring the effectiveness of your aquarium medication. We've created this regularly updated expiration list so you can shop confidently. Don't risk outdated meds—compare your current product with the latest fish antibiotics expiration dates from trusted sources like Thomas Labs Pets.

From broad-spectrum fish antibiotics like amoxicillin, ciprofloxacin, and doxycycline, to advanced treatments like fluconazole and metronidazole, we’ve got you covered. Make sure your fish meds are safe, current, and fully potent with the latest updates below.

Fish Antibiotics Expiration Dates

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

Aqua Lab

Thomas lab

SKU: AS-10009

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Product Description
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Fish Azithromycin - 250mg (30 Tablets) | Broad-Spectrum Antibiotic for Birds & Aquarium Fish

Effective Treatment for Bacterial Infections in Fish & Birds

Fish Zithro - 250mg (30 Tablets) is a versatile broad-spectrum antibiotic formulated to treat bacterial infections in both birds and aquarium fish. Each tablet contains 250 mg of azithromycin, a highly effective antibiotic that combats gram-positive and gram-negative bacteria. This dual-purpose antibiotic is used to treat respiratory infections in birds and fin rot, gill disease, and columnaris in fish, ensuring safe and effective treatment for a variety of bacterial infections.

Shop More Fish & Bird Antibiotics

Key Benefits

✔ Broad-Spectrum Antibiotic – Effectively treats respiratory infections in birds and bacterial infections in aquarium fish.
✔ High-Quality Formula – Each 250mg tablet ensures strong infection control for consistent and reliable treatment.
✔ Dual-Purpose Use – Suitable for both fish and bird health, providing a versatile treatment solution.
✔ Safe for Aquatic Environments – Specially designed to treat infections without harming the aquarium ecosystem.
✔ Trusted Quality – Manufactured under strict standards to ensure purity and effectiveness.

Dosage Instructions

For Aquarium Fish:

✔ Add 1 tablet (250 mg) per 10 gallons of aquarium water.
✔ Repeat every 24 hours for 5-10 days, depending on the severity of the infection.

For Birds:

✔ Administer as prescribed by a veterinarian.

Usage Tips & Cautions

✔ Remove activated carbon filters during treatment for maximum effectiveness.
✔ Perform 20-25% water changes between doses to maintain water quality.
✔ Not for human use.