Erythromycin (Maracyn)
Erythromycin
Drug Class
Antibiotic
Available Forms
Powder or tablet (added to aquarium water)
Approved For
Dosage Guide
Follow product-specific instructions. Typically one packet per 10 gallons daily with water change before each dose. Treat for 5-7 days. Remove activated carbon.
This is a general reference only. Always follow your veterinarian's prescribed dosage for your specific pet.
Side Effects
- •May affect beneficial bacteria in biological filter
- •Minimal toxicity to fish at therapeutic doses
Important Warnings
- !Remove activated carbon during treatment
- !Use in a hospital tank when possible to protect the main tank's biological filtration
- !Complete the full course to prevent antibiotic resistance
- !Gram-negative bacteria may require different antibiotics (kanamycin, doxycycline)
Contraindications
Do not use this medication in the following situations:
- ✕Tanks with invertebrates (may be sensitive to antibiotics)
Medical Disclaimer
This medication guide is for informational purposes only. Always consult a licensed veterinarian before administering any medication to your pet. Dosages vary based on weight, age, health status, and concurrent medications. Never give human medications to pets without veterinary approval — many common human drugs are toxic or fatal to animals.