# PetRemedyUSA > Aquarium fish & bird health supplies, shipped from the USA. US-based online store for ornamental aquarium fish and pet bird health products (antibiotics, antiparasitics, antifungals, treatment packs), with educational guides. Products are labeled for fish or birds only and are not for human use. 20% off list price, free US shipping, payment by card, Apple Pay or Google Pay. ## Key pages - [Shop all products](https://petremedyusa.com/shop/): full catalog - [Treatment packs](https://petremedyusa.com/shop/treatment-packs/) - [Medication guide by ingredient](https://petremedyusa.com/medications/) - [Guides](https://petremedyusa.com/guides/) - [FAQ](https://petremedyusa.com/faq/) - [Shipping](https://petremedyusa.com/shipping/) and [Returns](https://petremedyusa.com/returns/) ## Full text - [llms-full.txt](https://petremedyusa.com/llms-full.txt): every guide and medication page in one file ## Guides (each also available as markdown at the same path ending in .md) - [Fin Rot in Fish: Causes, Symptoms and Treatment](https://petremedyusa.com/guides/fin-rot-treatment-guide/): Learn how to recognize fin rot, why it starts, and the steps aquarists take: water quality fixes first, then a hospital tank and the right antibiotic class. - [Fish Antibiotics Compared: Which Class Treats What](https://petremedyusa.com/guides/fish-antibiotics-compared/): A side-by-side comparison of the antibiotic classes used in aquariums: penicillins, cephalosporins, fluoroquinolones, tetracyclines, sulfonamides and more. - [How to Set Up a Fish Hospital Tank](https://petremedyusa.com/guides/hospital-tank-setup/): A step-by-step guide to building a hospital tank: size, filtration, heater, hiding places, and how to cycle it so medication works safely. - [Dropsy in Fish: Signs, Causes and Treatment Options](https://petremedyusa.com/guides/dropsy-in-fish/): Dropsy makes fish swell with raised, pinecone-like scales. Learn what causes it, how to respond quickly, and which treatments keepers use. - [Popeye (Pop-Eye) in Fish: Causes and Treatment](https://petremedyusa.com/guides/popeye-in-fish/): Bulging eyes in fish can come from injury, bacteria or water problems. Learn how to tell them apart and what to do. - [Columnaris vs Fungus in Fish: How to Tell the Difference](https://petremedyusa.com/guides/columnaris-vs-fungus/): Cotton-like patches on fish are often columnaris, a bacterial infection, not fungus. Compare the signs and learn how treatment differs. - [Bloat and Internal Parasites in Fish](https://petremedyusa.com/guides/bloat-and-internal-parasites/): Swollen bellies, white stringy waste and weight loss can signal internal parasites. Learn the signs and how metronidazole is used. - [Ich and Velvet in Fish: Identification and Treatment](https://petremedyusa.com/guides/ich-and-velvet-guide/): Learn to tell ich from velvet, how their life cycles affect treatment, and why antibiotics will not cure external parasites. - [Water Quality During Fish Treatment: What to Test and Change](https://petremedyusa.com/guides/water-quality-during-treatment/): Medication only works when water conditions support the fish. Learn which parameters to test, how often, and how to manage water changes during treatment. - [What Is Fish Mox? Amoxicillin for Aquarium Fish Explained](https://petremedyusa.com/guides/what-is-fish-mox/): Fish Mox is amoxicillin for aquarium fish. Learn what it treats, what it does not, the 250mg and 500mg strengths, and how to use it safely. - [Fish Mox vs Fish Mox Forte: What Is the Difference?](https://petremedyusa.com/guides/fish-mox-vs-fish-mox-forte/): Fish Mox and Fish Mox Forte are both amoxicillin. The difference is the strength per capsule. Compare 250mg and 500mg and see how to choose. - [Fish & Bird Medication Questions Answered](https://petremedyusa.com/guides/fish-medication-questions/): Short, clear answers to the most common questions about aquarium fish antibiotics, antiparasitics, antifungals and bird azithromycin, from Fish Mox to hospital tanks. ## Medications - [Amoxicillin (Fish Mox)](https://petremedyusa.com/medications/amoxicillin-for-fish/) - [Amoxicillin/Clavulanate (Fish Clav)](https://petremedyusa.com/medications/amoxicillin-clavulanate-for-fish/) - [Cephalexin (Fish Ceph)](https://petremedyusa.com/medications/cephalexin-for-fish/) - [Ciprofloxacin (Fish Flox)](https://petremedyusa.com/medications/ciprofloxacin-for-fish/) - [Levofloxacin (Fish Levo)](https://petremedyusa.com/medications/levofloxacin-for-fish/) - [Doxycycline (Fish Dox)](https://petremedyusa.com/medications/doxycycline-for-fish/) - [Minocycline (Fish Mino)](https://petremedyusa.com/medications/minocycline-for-fish/) - [Sulfamethoxazole/Trimethoprim (Fish Sulfa)](https://petremedyusa.com/medications/sulfa-antibiotics-for-fish/) - [Penicillin (Fish Penicillin)](https://petremedyusa.com/medications/penicillin-for-fish/) - [Clindamycin (Fish Clin)](https://petremedyusa.com/medications/clindamycin-for-fish/) - [Erythromycin (Fish Erythro)](https://petremedyusa.com/medications/erythromycin-for-fish/) - [Azithromycin (Bird Zithro)](https://petremedyusa.com/medications/azithromycin-for-birds/) - [Metronidazole (Fish Zole)](https://petremedyusa.com/medications/metronidazole-for-fish/) - [Ketoconazole (Fish Keto)](https://petremedyusa.com/medications/ketoconazole-for-fish/) - [Fluconazole (Fish Flucon)](https://petremedyusa.com/medications/fluconazole-for-fish/) ## Contact PetRemedyUSA LLC, 171 Pierce Brown Road, Hartwell, GA 30643. support@petremedyusa.com