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Zeniquin Pfizer


Product #: 10888 Pharmacy Required Click here for prescription info.
Starting at: $2.29
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What is Zeniquin?
Zeniquin is a synthetic broad-spectrum antibacterial. It’s indicated for the treatment of infections associated with bacteria susceptible to marbofloxacin. Zeniquin requires a prescription from your veterinarian.

Cats (over 12 months of age)
Dogs (small and medium breeds over 8 months of age, large breeds over 12 months of age and giant breeds over 18 months of age)


  • Has an excellent safety profile
  • Once-a-day dosing and easy-to-swallow film-coated tablets that help improve client compliance

How it works:
Zeniquin is a fluoroquinolone antibiotic that works by inhibiting bacterial DNA replication.

Tell your veterinarian if your pet has seizures or other central nervous system disorders, or if your pet is breeding, pregnant, or lactating. Do not give Zeniquin to pets that may be allergic to it or other fluoroquinolone antibiotics. Do not give Zeniquin within two hours of administering Carafate (sucralfate), antacids, or foods and vitamin/mineral products containing iron, aluminum, calcium, magnesium, or zinc.

More Information:

Brand Name
Zeniquin (Pfizer Animal Health)

Generic Name

What is the most important information I should know about Zeniquin:
Zeniquin is a prescription medication FDA-approved for veterinary use in dogs and cats. Zeniquin is available as 25mg, 50mg, 100mg and 200mg film-coated scored tablets. Always follow the dosage instructions provided by your veterinarian. Do not give Zeniquin to any pet other than the pet for whom it was prescribed. Zeniquin is not for use in animals allergic to it or other fluoroquinolone antibiotic drugs. Zeniquin should not be used in cats younger than 12 months of age or dogs during their rapid growth phase which can vary from 8 to 18 months based on the breed. Zeniquin may affect the retina of cats.

What is Zeniquin:
Zeniquin is a broad spectrum oral fluoroquinolone antibiotic used for the treatment of bacterial infections such as skin and soft-tissue infections and urinary tract infections due to susceptible organisms. This medication may also be used for purposes other than those listed in this guide.

What should I discuss with my veterinarian before giving Zeniquin to my pet: Tell your veterinarian if your pet has seizures or other central nervous system (CNS) disorders, or if your pet is breeding, pregnant, or lactating.

How should this medication be given: Give this medication exactly as directed by your veterinarian. Give all of the medication your veterinarian has prescribed. Symptoms may start to improve before the infection is completely treated. The usual dose of Zeniquin for dogs and cats is 1.25mg per pound given once a day, but the dosage may be increased to 2.5mg per pound. Treatment should continue for a maximum of 30 days; however, if there is no improvement after 5 days, your pet should be reevaluated. If you do not understand the directions ask the pharmacist or veterinarian to explain them to you. Store Zeniquin at room temperature away from moisture and heat. Keep this medication away from children and pets.

What happens if I miss giving a dose: Give the missed dose as soon as you remember. However, if it is almost time for the next dose, skip the dose missed and give only the next regularly scheduled dose. Do not give a double dose of the medication.

What happens if I overdose the pet: Seek emergency veterinary medical treatment. Symptoms of overdose may include loss of appetite, vomiting, dehydration, excessive salivation, tremors, reddened skin, or facial swelling.

What should I avoid while giving Zeniquin to my pet: Do not give Zeniquin to animals allergic to it or other fluoroquinolone antibiotics. Do not give Zeniquin within 2 hours of administering Carafate (sucralfate), or other antacids or foods and supplements containing iron, aluminum, calcium, magnesium, and zinc.

What are the possible side effects of Zeniquin: Stop giving the medication and seek emergency veterinary medical attention if your pet experiences an allergic reaction (difficulty breathing; closing of the throat; swelling of the lips, tongue or face; or hives). Other less serious side effects may also occur. Continue to give the medication and talk to your veterinarian if your pet experiences loss of appetite, vomiting, diarrhea, dizziness, or drowsiness. Side effects other than those listed may occur. Talk to your veterinarian about any side effect that seems unusual or bothersome to the pet.

What other drugs will affect Zeniquin: Drugs other than those listed may also interact with Zeniquin. Talk to your veterinarian or pharmacist before giving any other prescription or over-the-counter medications.

Where can I get more information: Your pharmacist has additional information about Zeniquin written for health professionals that you may read.

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