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request advice on ordering antibiotics for fish

Hello, QuadA friends--

I want to order fluconazole to treat one of my Angelfish. It developed a large lesion on its ventral area. I treated it with leftover ampicillin but I believe it has a fungal infection and want to add fluconazole to the water. I can buy fluconazole through Petco by sending a prescription to their clearing office by postal mail in Oregon. I fear that the time that requires may extend into a week or so before I receive the fluconazole tablets. That may be too late for my current "patient", but is useful to keep for future use. What experience to aquarist friends have in ordering antibiotics? PS my daughter is a veterinarian so I can receive a script from her for this common antifungal agent. Thanks for your opinion, Best regards, Errol Reiss

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Alex Pourreau
Alex Pourreau
6 days ago

Fungal infections rarely cause lesions, and you will know if it is a fungal infection in an instant simply by seeing the fuzzy appearance of a fungus. This sounds more like a bacterial infection, with the best course of treatment being frequent water changes and bacterial antibiotics to treat the root cause. Be careful of overdosing and mixing medications, as more is almost never better. If your tank has any catfish, loaches, or invertebrates, avoid using copper-based medications and certain types of antibiotics that often harm scaleless fish and invertebrates.

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