Metronidazole (Flagyl) for dogs and cats
Treats certain bacterial and protozoal infections, such as Giardia, and is often used for diarrhea. [1]
Key facts
| Generic name | Metronidazole |
|---|---|
| Common brand names | Flagyl |
| Used in | Dogs & Cats |
| Type | Stomach & digestion |
| Prescription? | Prescription |
| Typical US price | Not listed (no reliable public source) |
What it's used for
Treats certain bacterial and protozoal infections, such as Giardia, and is often used for diarrhea. [1]
How it works
It kills anaerobic bacteria and some single-celled parasites by damaging their DNA. [1]
Side effects and cautions
Common side effects: Nausea, vomiting, diarrhea, low appetite, tiredness and drooling. It tastes very bitter. [1]
Use with care: Not for pregnant or nursing pets or very weak pets. Stop and call your vet if your pet seems wobbly, weak or unwell. [1]
Call your vet right away if your pet has trouble breathing, facial swelling, hives, collapse, or any side effect that is severe or getting worse.
What it costs
We don't list a price for this one because we couldn't find a reliable public source. Ask your vet or pharmacy for a quote; prices depend on your pet's size, the dose and where you fill it.
Metronidazole FAQ
What is Metronidazole used for in dogs and cats?
Treats certain bacterial and protozoal infections, such as Giardia, and is often used for diarrhea.
What are the side effects of Metronidazole?
Nausea, vomiting, diarrhea, low appetite, tiredness and drooling. It tastes very bitter.
Does Metronidazole need a prescription?
Yes. It needs a prescription from a veterinarian.
How much Metronidazole should I give my pet?
Only your veterinarian can tell you. The right dose depends on your pet's weight, health and other medicines, so we don't list doses. Never give a pet a medicine prescribed for a person or another animal without asking your vet.
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This page is general information for pet owners, not veterinary advice. Talk to your vet about your own pet.