# Minocycline for Fish (Fish Mino)

> Minocycline is a tetracycline antibiotic that has long been used by aquarists for internal gram-negative infections. It is the active ingredient in some well-known hobby medications. Broad-spectrum with good activity against many gram-negative bacteria.

Source: https://petremedyusa.com/medications/minocycline-for-fish/ · PetRemedyUSA

## Commonly used for

- Dropsy and pinecone scales caused by bacteria
- Popeye linked to bacterial infection
- Internal gram-negative infections

## Things to know

- Treat in a hospital tank; tetracyclines can disturb biofilters.
- Not effective against parasites or fungi.
- Fish that have stopped eating may not take medicated food, so water-borne treatment is usually used.

## Products

- [Fish Mino 100mg 30-Capsules](https://petremedyusa.com/products/fish-mino-100mg-30-capsules/): from $57.59

## Frequently asked questions

### Can minocycline help with dropsy?

When dropsy is caused by a bacterial infection, a systemic antibiotic such as minocycline is one option keepers use. Dropsy is a symptom of organ trouble, so outcomes vary and early action matters.