Aqua Zithro – Azithromycin 250mg – 30 Tablets
$89.99 $99.95
In Stock
- New regulations are coming, and our fish medications will be unavailable soon. Stock up now—limited supply!
Check The Latest Expiration Dates
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 Don't risk outdated meds—compare your current product with the latest fish antibiotics expiration dates from trusted sources like Thomas Labs Pets.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
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Fish Mox - Amoxicillin 500 mg 100 Capsules – Expires: 08/2027
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Fish Mox - Amoxicillin 250 mg 100 Capsules – Expires: 05/2027
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Fish Zole - Metronidazole 250 mg 60 Tablets – Expires: 12/2026
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Fish Zole - Metronidazole 500 mg 60 Tablets – Expires: 02/2027
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Fish Flex - Cephalexin 250 mg 100 Capsules – Expires: 04/2026
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Fish Flex - Cephalexin 500 mg 100 Capsules – Expires: 06/2027
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Fish Doxy - Doxycycline 100 mg 30 Capsules – Expires: 02/2026
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Fish Doxy - Doxycycline 100 mg 60 Capsules – Expires: 06/2026
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Fish Pen - Penicillin 500 mg 30 Tablets – Expires: 06/2026
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Fish Pen - Penicillin 500 mg 60 Tablets – Expires: 06/2026
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Fish Flox - Ciprofloxacin 500 mg 30 Capsules – Expires: 04/2027
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Fish Flox - Ciprofloxacin 500 mg 60 Capsules – Expires: 04/2027
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Fish Sulfa - Sulfamethoxazole & Trimethoprim 960 mg 30 Tablets – Expires: 12/2028
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Fish Sulfa - Sulfamethoxazole & Trimethoprim 960 mg 60 Tablets – Expires: 12/2028
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Fish Zithro - Azithromycin 250 mg 30 Tablets – Expires: 06/2027
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Fish Cin - Clindamycin 150 mg 100 Capsules – Expires: 08/2026
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Reef Flux - Fluconazole 200 mg 10 Capsules – Expires: 02/2027
Category:
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FREE SHIPPING ON ALL ORDER OVER 49$
Guaranteed Fresh Stock with Latest Expiration Dates +2027
Guaranteed Fresh Stock with Latest Expiration Dates +2027
Fast, Same-Day Shipping Available Before 1 PM CST.
Fast, Same-Day Shipping Available Before 1 PM CST.
Aqua Zithro Azithromycin 250mg – Trusted Aquarium Antibiotic | Thomas Labs Pets
Pharmaceutical-Grade Broad-Spectrum Antibiotic for Aquarium Fish Health
Aqua Zithro (Azithromycin) 250mg Tablets provide targeted treatment against gram-positive and gram-negative bacterial infections in ornamental fish. This broad-spectrum antibiotic is highly effective against fin rot, gill disease, and other common bacterial diseases in aquarium fish. Manufactured to pharmaceutical-grade standards, Aqua Zithro ensures safe and rapid infection control for your aquatic pets.
Designed exclusively for aquarium use, these tablets are easy to dose and highly effective. Thomas Labs Pets guarantees product authenticity and fast USA shipping.
Dosage & Administration:
Administer one 250mg tablet per 20 gallons of aquarium water every 24 hours for 5 to 10 days. Partial water changes during treatment are recommended to improve effectiveness. Discontinue treatment if no improvement is observed within 5 days.
FAQ :
Q1: What infections does Aqua Zithro treat?
A1: It treats fin rot, gill disease, and other bacterial infections common in ornamental aquarium fish.
Q2: How is Aqua Zithro dosed?
A2: One 250mg tablet per 20 gallons of aquarium water daily for 5 to 10 days, with partial water changes during treatment.
Q3: Is Aqua Zithro safe for all ornamental fish?
A3: Yes, it is formulated for safe aquarium use only.
Q4: Can I buy Aqua Zithro without a vet prescription?
A4: Yes, Thomas Labs Pets offers Aqua Zithro tablets with no prescription required.
Q5: How soon should I see results?
A5: Most fish show improvement within 3 to 5 days of starting treatment.
Usually ships within 1 business day to USA & CANADA
Shipping Options:
FREE SHIPPING ON ALL ORDERS- USPS First Class Package : $6.95, 3-5 days (USPS First Class Package)
- FedEx 2Day®: $29.95, 1-Business Days (FedEx)
More Shipping Info:
- Orders placed Monday-Friday before 2pm Central Time usually ship the same day.
- We ship to the USA And Canada only.

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