SKU: 91331444186

Fix Zithro (Azithromycin) Tablets Fish Antibiotics

Sale price$39.59 Regular price$43.99
Save 10%

Pay in installments of $11.00 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 21 - Aug 26

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

Fix Zithro (Azithromycin) Tablets Fish AntibioticsFix Zithro (Azithromycin) Tablets Advanced Fish Antibiotics for Aquatic Health Fix Zithro (Azithromycin) Tablets are an extremely effective treatment against bacterial infections in aquarium fish. This is a broad spectrum action antibiotic for treating conditions like fin rot, gill disease, and columnaris. The tablets are easily used and quickly dissolved to make the medication even and quick in freshwater and saltwater aquariums, thus helping restore

Fix-Zithro (Azithromycin) Tablets

Advanced Fish Antibiotics for Aquatic Health

Fix Zithro (Azithromycin) Tablets are an extremely effective treatment against bacterial infections in aquarium fish. This is a broad-spectrum action antibiotic for treating conditions like fin rot, gill disease, and columnaris. The tablets are easily used and quickly dissolved to make the medication even and quick in freshwater and saltwater aquariums, thus helping restore your aquatic companion's health.

Fix Zithro Azithromycin Tablets are a fast and effective treatment for bacterial infections of aquarium fish. The wide field of action, together with the ease of application, makes this medication an ideal option for aquarists with the best treatments. Suitable for fresh and saltwater aquariums, Fix Zithro promises a healthy and thriving home for your aquatic buddies.

What Are the Benefits of Fix-Zithro Azithromycin Tablets for Fish?

  • Broad Spectrum of Activity: Azithromycin acts against a broad spectrum of bacterial infections, including gram-positive and gram-negative bacteria. This is highly useful in combating infections by species such as Mycobacterium, Aeromonas, and Vibrio, which are common in aquatic environments.
  • Active Against Internal and External Infections: Azithromycin is versatile since it is effective for internal and external infections in fish. It's especially effective in the case of ulcers, skin lesions, fin rot, and internal infections like septicemia.
  • Long-Lasting Action: Azithromycin has a fairly long half-life, which is an advantage because the amount needed in the system can remain higher for longer than other antibiotics, thus minimizing dosing. This can minimize stress caused by frequent treatments.
  • Easy to Administer: Azithromycin tablets can be given by dissolving them in aquarium water or mixed with fish food, hence an easy way of treating the fish, especially when one is dealing with a school of fish or those fish that are difficult to capture.
  • Low Impact on the Fish's Beneficial Bacteria: In the light of a comparison to other broad-spectrum antibiotics, Azithromycin would least interfere with the positive bacteria of the aquarium. Thus, this can keep the aquarium's biological filtration system in health.
  • Treats Varied Range of Bacterial Diseases: Azithromycin works to combat an array of prevalent bacterial fish diseases like Mouth Rot, Gill Disease, Fin Rot, and Pop-eye, together with the more systemic ones like Septicemia and Swim Bladder Disease.

How to Use Fix-Zithro Tablets for Fish?

Directions for Use

  1. Dissolve one tablet per 10 gallons of water in a separate hospital tank.
  2. Treat daily for 5-7 days or as recommended by a veterinarian.
  3. Perform water changes as necessary to maintain water quality during treatment.

Pro Tip: Always quarantine infected fish to prevent the spread of disease to other tank inhabitants.

What Are the Ingredients in Fix-Zithro Tablets?

  • Active Ingredient: Azithromycin (500 mg per tablet)
    Azithromycin inhibits bacterial protein synthesis, halting the growth of harmful microbes.

  • Inactive Ingredients:
    Excipients to maintain stability and ensure proper dissolution in water.

Are There Side Effects of Fix-Zithro Tablets?

When used correctly, Fix-Zithro is safe for fish. Overuse or prolonged exposure may lead to:

  • Resistance development in bacteria.
  • Minor stress to fish if dosed improperly.

What Are the Warnings for Using Fix-Zithro?

  • For Aquarium Use Only: Not intended for human consumption.
  • Monitor Water Parameters: Ensure optimal water conditions during treatment.
  • Storage: Store in a cool, dry place away from direct sunlight.
  • Keep Away from Children and Pets: Prevent accidental ingestion.

Shipping & Returns 

Shipping Policy: We offer all types of shipping options (Ground, Express, Priority, International) depending on the urgency of the product requirements. To know about our shipping policy in detail, click here.

Refund policy: If you face any issue with our product and want to return it, read our refund policy carefully.

FAQs - Fix-Zithro Azithromycin Tablets for Bacterial Infections in Fish 

What is Fix-Zithro Azithromycin Tablets used for?

Fix-Zithro Azithromycin Tablets are used to treat bacterial infections in freshwater and saltwater fish, including fin rot, columnaris, gill disease, and ulcers. These tablets eliminate harmful bacteria, ensuring the health and vitality of your aquatic pets.

How do I determine if my fish needs antibiotics like Fix-Zithro?

Look for symptoms such as frayed fins, open sores, discoloration, or abnormal swimming behavior. A veterinarian or experienced aquarist can help confirm if a bacterial infection is present.

Can Fix-Zithro be used in a community tank?

It is best to use Fix-Zithro in a hospital tank to avoid unnecessary exposure of healthy fish and beneficial bacteria in the main tank to antibiotics, which could disrupt the ecosystem.

What precautions should I take while using Fix-Zithro?

Ensure proper dosing and maintain water quality during treatment. Quarantine infected fish to prevent disease spread and regularly monitor water parameters to avoid stress on aquatic life.

How do I know if Fix-Zithro treatment is effective?

Signs of improvement include clearer skin, healed fins, normal swimming, and increased activity levels. Continued symptoms after the full course may require consulting a veterinarian.

Can Fix-Zithro treat fungal infections in fish?

No, Fix-Zithro targets bacterial infections and is not effective against fungi. For fungal issues, consider antifungal medications designed for aquariums.

How does azithromycin in Fix-Zithro work to kill bacteria?

Azithromycin inhibits bacterial protein synthesis, stopping the bacteria from growing and reproducing. This allows the fish's immune system to eliminate the remaining infection.

Can Fix-Zithro be harmful if overdosed?

Overdosing can stress fish, harm beneficial bacteria, and degrade water quality. Always adhere to recommended doses and seek professional advice if unsure about usage.

What types of bacterial infections are common in fish?

Common infections include fin rot, columnaris (cotton wool disease), gill disease, and ulcers. These conditions are often caused by poor water quality, stress, or injuries.

How should I dispose of unused Fix-Zithro tablets?

Dispose of unused tablets responsibly by following local guidelines for pharmaceutical disposal. Avoid flushing them down the drain or discarding them in regular trash to prevent environmental harm.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 91331444186

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.5 ★★★★★
Based on 16 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
A
Verified Cardmember
Amazon Customer
Louisville, US
★★★★★ 4
Convenient and easy to use
It's convenient and easy to use. The interest rate is a little high but it's not a concern if you pay off your balance. I love that you can link it to your Amazon account making it even easier to make payments and manage.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
J
Verified Cardmember
Jose
Alexandria, US
★★★★★ 5
Easy Approval Process and Great Rewards
I’ve had a very positive experience with the Amazon Store Card so far. The application and approval process was quick, simple, and straightforward. Managing the account through the Synchrony app has also been very easy, with a clean layout that makes it simple to view balances, make payments, and track purchases. One of the best features is the 5% rewards on Amazon purchases for Prime members. The cashback adds up quickly if you shop on Amazon regularly, and the rewards are easy to redeem during checkout. I also appreciate the special financing options that are sometimes offered on larger purchases, along with helpful account alerts and security features. Overall, this card is convenient, user friendly, and a great option for frequent Amazon shoppers.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
J
Verified Cardmember
Jason
Natrona Heights, US
★★★★★ 5
Great card to have highly recommend
Like using the card for everything. 5 to 7% cashback credit is awesome. No interest is even better. I put almost all my purchases and bills on my credit accounts or credit cards and pay them off monthly. Now that I'm a senior citizen I don't like to go to 20 different stores to find the best prices. The card made my life less busy and I don't have to worry about paying for the many, many things I need right away. Even though I pay off all my accounts every month. If I need a big ticket item, like a new flat-screen television I can get it and not worry about the cost by paying over time if I need to. Having another credit account has also improved my credit score by the hundreds. I was in the 500s for decades until I started the secured card on Amazon. Now I am nearly at an excellent score in the high 700s and don't need secured credit cards. I can use my account at Whole Foods and have my phone scanned for payment. It's just so easy to use
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 6, 2026
S
Verified Cardmember
Sofa~
Lowell, US
★★★★★ 3
Credit limit drop without cause, Synchrony?
Hey Synchrony, I've about had it with your services, I have 2 cards I use through you through Walgreens and Amazon. You lowered My credit limit on both cards causing me to go over on one because of stupid interest when I had 500 left and I had quit using the damn thing, and my Amazon store card I just Made a 200 Payment on! Lowering my limit and leaving me blind, You should call your customers leave a voicemail or text for heck sake ill read them, I don't read my emails usually for 2 or three weeks, well you did it again, but this time to card I just paid 200$ on too!, Your company sucks, I hate your practices, and I want you to know that. I also want Amazon to know that!! I spend a Boatload of money through amazon, as does my entire family, all ya gotta do is look!! Well I have never felt more unappreciated, insulted, like I stole something or like dirt ever ever in my adult life like you made me feel. Like i'm doing something wrong. Well guess what Synchrony Bank? I'm not doing anything wrong, at all!! I've never been late or missed a payment with my Amazon card or any card I have with you, Synchrony. Your Faceless Corp in its infinite wisdom, decided it would be a great idea to screw over an actual good customer just because some stupid algorithm reported my credit limit was too high and I was a risk, and lowered my limit from where it had been for the last 3 years and then sent a Quiet email about a letter that you put on my online account, please read it, just like that, no Urgent header nothing not that. I don't even read my email that often. I DO read texts or my regular mail, or listen to my phone messages!! I meant what I said NEVER LATE not even once, and NEVER MISSED a payment NOT once!!! The ONLY time I ever had to deal with any kind of problem was the one that lowering my limit on my Mastercard were the cause of, Synchrony!!! when you dropped my credit limit without me knowing and I went over my new dang limit because interest charges were coming in!!! I new where I was and had it handled and would have been able to ride the storm but no you had to mess with my account. Oh and I dont give a Crap if you quote me "we have the right to raise or lower you limit whenever we want", It's a BS excuse to screw over your customers, I know about the terms, however in all of my 54 years, you are the only credit card company that has ever lowered a limit one a CC I had EVER! and I've dealt with some Super sketchy Dirtbag Why did I ever agree to this card, charge me for everything Companies. Mostly when I was young but not even they cut my limit, without me missing payments or being late .....Now 30 years later much older and I thought wiser better CC much better 2500$ limit I've had for years and expect that limit to stay in place or like my Prime Store Card 2000$ limit to stay in place!! not dropped by 500$, for hells sake!!!! Well today I get the old hey your payment option for your try before you buy order needs addressed, and why do you think that was? Hmmm? Well, Ill tell you!! Because you Dropped my limit, by 500$ Now if Amazon dropped it then Ill chew them out too, but I don't think it was them, cuz you did this on my Walgreens card too!!! I just made a 200 payment on my Amazon card as well jerks! Not one of the several companies ive had previous Cards with NOT Cap one Cred one, citi, Community bank, american express, discover you name it, and Ive probably had it at one time or another dozens upon dozens over my adult life at this point anyway. Well, not even the Sleaziest Dirtyiest Gutter Scum CC company with fees for just looking at your card has ever lowered my credit limit not in 34 years Especially when I wasn't late or missing payments ever, always been on time and never missed a payment not 1 time, Except SYNCHRONY, and I think you suck for that!! The only reason I gave 3 stars is Amazon doesn't deserve a 1 star review because of your company! I love amazon, I love their products, their deals their delivery Amazon Prime, im ride or die with Amazon, my kids do all their shopping on amazon they even use it for groceries and stuff occasionally, but I really, really don't like how you treat customers Synchrony, especially customers, that pay on time and even early, oh and on auto pay for Christ sake!!! Now I know why some young dumb kids and people say screw it and stop paying CC bills, cuz the Corporations that pass em out like candy to kids, I might add, are SCUM bags, thats why!! It's all about the GREEN, more, and more and more money its never enough!! Well, when you dropped my credit limit without me knowing and I went over the limit of a different card I had with you, it was because of interest fees coming in. I expected and knew about these fees, however, I also thought I had 500 more than I had available on my card!! What a great day that was, let me tell ya!! I didn't even miss a payment I just didn't make a big enough one to cover the interest that came in, and I also never just pay the minimum payment with these cards either!! Your practices are shady, and the crap you pull against loyal customers that pay on time and even on Autopay are so Scummy!! You know when you dropped my credit limit without me knowing and I went over my limit because of interest, I even reached out to my current lawyer about Bankruptcy choices and stuff and if I should deal with you that way, but I got over bein mad! You know if I was late all the time and a crappy customer missing payments I wouldn't blame you for anything and at least Id know my cards were lowered and probably locked ...but I didn't want to do that, I wanted to try and slide right back into auto pay and get back on track and to deal with a recent Identity theft issue im having and not stop paying my bills OH..yeah, you smellin what i'm sellin? Well because of some terrible thing I must have done in a Past life, I guess. Several months ago now when I was dealing with the death of my mom very suddenly. I also noticed my credit score started dropping and I had no idea why, well turns out i'm MR popular. I had all sorts of crap in my name most of it local where I live and surrounding locally. 100 points in like 5 months!! I digress, Whatever! I don't care anymore, cancel my cards if you want, I'm done! This world is goin to hell in a hand basket, Civil War is almost immanent, a Faceless mob can destroy peoples lives just by canceling them on the internet at a whim. When its true I agree with the mob but when there isn't any proof and someone's life is upturned and then it turns out to be a total lie or they said something 12 years ago and its dug up? Good God, I probably said some haynous stuff when I was 25, but I can assure you when I was 37 I was not that person anymore, my views had changed on many things,,,,that stuff is crazy, and so am I for thinking I can do a damn thing,,,, my mom died 5 months ago, I was just recently laid off from my job I had for 17 years last month, and now you drop my limit again when i've been on time and auto paying and almost screw up my Amazon account!!so screw it!! Eat It Synchrony Bank,Eat It! Sorry about 3 Stars Amazon.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 24, 2024
J
Verified Purchase
Jim in SoDak
San Leandro, US
★★★★★ 5
THE DOG TREATS SO GOOD EVEN PHOEBE KNOWS THEY ARE FROM A WINNER
Size: 1 Count (Pack of 6)
These Wonder Bound pig ears are absolutely INCREDIBLE. Truly one of the greatest dog treats ever created. People come up to me and they say, Sir, my dog has NEVER reacted to anything like this. And I tell them, of course not. These are REAL pig ears. Not the fake tiny pieces you get from weak companies. These are STRONG ears. Beautiful ears. Now I do not personally eat pig ears. Everybody knows this. I have a tremendous diet. Very refined. But DOGS, they understand things on a deeper level. Dogs know QUALITY. Dogs know WINNERS. Some people don’t, but dogs do. And Phoebe. Very smart dog. People tell me she is one of the smartest. Incredible instincts. She saw this bag and immediately knew it was the BEST. Not good. Not great. The BEST. She did the excited thing dogs do. Very respectful. Very appreciative. Some say she even endorsed it. I’m not saying that. But many are. She took the ear and ran like she had just made the greatest deal of her life. Tremendous speed. Very athletic dog. Very loyal. And she chewed it with POWER. You could see it in her eyes. She was thinking, This is from a winner. Dogs sense that. They really do. The size is perfect. Not small. Not flimsy. A whole ear. The kind of treat a DOG OF DISTINCTION deserves. It keeps them busy, focused, and happy. Very important qualities. And let me tell you, Phoebe looked extremely satisfied. People saw it. They said, Sir, that is a dog who knows success. Five stars. Would buy again. If I were a dog, which I am not, I would ONLY eat these. They are THAT good. Just ask Phoebe. She knows.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 24, 2025

recommand products