Prednisone For Cats: Uses, Dosage, & Side Effects

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Prednisone for cats can treat a variety of illnesses and conditions. Prednisone and prednisolone are steroids used to reduce inflammation, treat some types of cancer, suppress the immune system, and act as an artificial replacement for glucocorticoid when the cat’s body is not making enough on its own.

The drug works by acting in the same way as cortisol, a naturally occurring hormone produced by cats’ adrenal glands. Prednisone has amazing anti-inflammatory properties, which makes it an ideal course of treatment for certain cat ailments.

It comes in many forms, from syrups, liquids, and tablets, and it can be administered orally or as an injectable.

Prednisone and prednisolone are much more potent that the cortisol your cat’s body produces naturally, so there are potential side effects that come with using this medication.

Uses Of Prednisone In Cats

Your veterinarian may recommend prednisone or prednisolone for your cat on a short-term basis for certain ailments, especially as an anti-inflammatory.

The primary uses of the drug in cats are as follows: 

  • To reduce swelling caused by allergies, from skin irritation to anaphylactic shock caused by insect stings
  • Feline asthma
  • To reduce internal swelling, such as in the case of an upper respiratory infection
  • Pancreatitis
  • Irritable Bowel Syndrome (IBS)
  • Kidney related disorders
  • Endocrine disorders
  • Autoimmune conditions 

Prednisone Doses For Cats

cat gets injection

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Veterinarians can administer prednisone orally or through injection. How much they should administer depends on the cat’s condition and how the cat responds to the steroid.

For example, a cat who is receives treatment for an autoimmune condition may require up to 3 mg of prednisone per pound of the cat’s weight per day. Typically, however, it is administered at 1 mg per pound.

Cats should not be on a long-term treatment with prednisone, as it can have dangerous side effects in the long run.

If your cat suffers form inflammation of the liver, whether from cancer or other reasons, it is not recommended that they are given prednisone. Your cat’s liver converts prednisone into prednisolone, and a cat with a strained liver will have limited conversion abilities.

For cats suffering from liver issues, prednisolone is the recommended steroid, but still in small and monitored doses. 

Side Effects Of Prednisone And Prednisolone In Cats

If your cat is prescribed prednisone or prednisolone, you should know that there are potential side effects, both long and short term.

Here are some of the potential side effects of short-term Prednisone or Prednisolone use in cats:

  • Increased thirst (Polydipsia)
  • Renal disorders and excessive urination (due to Polydipsia)
  • Increase in appetite (Polyphagia)
  • Weight gain and fluid retention
  • Fur/Hair Loss
  • Behavioral differences, such as an increase in anxiety, paranoia, or depression in your cat
  • Panting

Here are a few of the side effects you might see in cats with long-term use of Prednisone or Prednisolone:

If any of these side effects become concerning during treatment with prednisone, contact your veterinarian immediately. Your vet may then recommend altering the dosage or seeking a new form of treatment.

Just like any other medication, predisolone or prednisone could result in a severe allergic reaction known as anaphylaxis. Call your veterinarian immediately if you see the signs of an allergic reaction in your cat, such as itching, hives, trouble breathing, or swelling.

Has your cat ever been on prednisone before? Was it effective? Did your cat experience any side effects? Let us know in the comments.

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