Steroids & immune Dogs & Cats

Budesonide for dogs and cats

A steroid mainly for inflammatory bowel disease when other steroids don't work or aren't tolerated. [1]

Last reviewed: October 2026 · 2 sources · see sources

Quick answerBudesonide is a prescription medicine for dogs and cats. Much of it is broken down by the liver after acting on the gut, so less reaches the rest of the body. The most common side effects: more appetite, thirst and urination, panting, weight gain and coat changes.

Key facts

Generic nameBudesonide
Common brand namesEntocort
Used inDogs & Cats
TypeSteroids & immune
Prescription?Prescription
Typical US priceNot listed (no reliable public source)

What it's used for

A steroid mainly for inflammatory bowel disease when other steroids don't work or aren't tolerated. [1]

How it works

Much of it is broken down by the liver after acting on the gut, so less reaches the rest of the body. [1]

Side effects and cautions

Common side effects: More appetite, thirst and urination, panting, weight gain and coat changes. [1]

Use with care: Use caution with ulcers, infections or diabetes. [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.

About dosingDosing is your vet's call. We don't list doses because the right amount depends on your pet's weight, age, health and other medicines. Don't change a dose or stop a medicine without asking your vet, and never give a pet medicine meant for people unless your vet tells you to [2].

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.

Budesonide FAQ

What is Budesonide used for in dogs and cats?

A steroid mainly for inflammatory bowel disease when other steroids don't work or aren't tolerated.

What are the side effects of Budesonide?

More appetite, thirst and urination, panting, weight gain and coat changes.

Does Budesonide need a prescription?

Yes. It needs a prescription from a veterinarian.

How much Budesonide 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.

Sources (2) — tap to show
  1. VCA Animal Hospitals – Budesonide (veterinary drug handout)
  2. FDA – Frequently asked questions about animal drugs