Metronidazole's Client Information Sheet for pet parent reference opens in a new window.
Resistance is a major concern when giving antibiotics. Resistance occurs when bacteria survive and mutate and are then able to survive even after antibiotics are given. To help avoid any resistance, it is important to give antibiotics as they are prescribed for as long as they are prescribed even if your pet is looking and feeling better.
This medication is used to treat various infections. Metronidazole is an antibacterial, antiparasitic, and antiprotozoal agent. It works by disrupting the DNA in the infecting organism.
Cautions and Warnings:
This medication should not be used in animals hypersensitive to metronidazole (Flagyl) or tinidazole (Tindamax). Metronidazole should be used cautiously in pregnancy. Please contact your pet's veterinarian if pregnancy is a possibility. Metronidazole should be used with caution and may require a dosage adjustment in animals with liver dysfunction.
How to Use this Medication:
The dosing and duration of this medication is individualized and may vary for each animal. Follow the instructions from your pet's veterinarian as well as the following recommendations:
Possible Side Effects:
Side effects tend to be dose-related. Metronidazole’s most severe side effect is dose-related CNS toxicity. Metronidazole may cause lethargy, CNS depression, ataxia (disordered movements), nausea, vomiting, diarrhea, weakness, neutropenia (decreased white blood cells), liver toxicity, hematuria (blood in the urine), and anorexia.
Beyond Use Date:
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Q:What if the cat ingests some of the metronidazole transdermal gel from her ear from grooming herself? Is it safe?