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Fish Pen is a broad-spectrum antibiotic that effectively treats infected eyes, fin and tail rot, pop-eyes, columnaris disease, gill disease, skin ulcerations, and other diseases common to ornamental fish. The medication works quickly to improve symptoms and prevent a worsening of infection.
Use this medication only as directed by your veterinarian.
Do not give Fish Pen to fish or animals allergic to penicillin. Do not allow children to administer this medication.
Use once daily for 5 to 10 days, unless instructed otherwise by your veterinarian.
Store Fish Pen at controlled room temperature, between 59 and 86 degrees F. Keep out of reach of children and pets.
It is a violation of Federal Law to use this product in a manner inconsistent with its labeling.
The penicillin in Fish Pen destroys bacteria by interfering with their ability to synthesize cell walls. Within minutes, the cell wall begins to weaken. Over time, the wall ruptures, effectively killing the bacteria.
Keep this product out of reach of children and animals. Do not use or store in or near open flame or heat.
Fish Pen is intended for use in ornamental fish only. May also be used in cats and dogs. Not for humans and not for use in fish intended for human consumption.
CAUTION: This medication does not usually cause side effects, but adverse reactions may occur when Fish Pen is used at high doses or for long periods.
Do not use this medication in animals with a known allergy to it or to similar medications.