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Tacrolimus for Veterinary Use


by Barbara Forney, VMD


Overview

Therapeutic Class
Calcineuron inhibitor

Species
Dogs and cats

May Be Prescribed by Vets for:
Keratoconjunctivitis Sicca, Atopic dermatitis.

Search for Available Dosage Forms 

Basic Information

Tacrolimus is one of a group of relatively new drugs called calcineuron inhibitors. These drugs are anti-inflammatory, and immunosuppressive or immunomodulatory. The mechanism of action is through the inhibition of calcium dependant pathways that effect the enzymatic action of calcineuron. This, in turn, blocks the proliferation of T-lymphocytes and cytotoxic cells. When one reviews the human literature, calcineuron inhibitors are investigated widely for use in atopic dermatitis and in organ transplant recipients. At the present time, veterinary use of tacrolimus is primarily for ketratoconjunctivitis sicca in dogs and cats and immune mediated dermatologic diseases.
Ask your vet these questions about compounded medications.

Dogs and Cats

Keratoconjunctivitis sicca due to decreased tear production is primarily an immune mediated disease of the lacrimal glands. It is seen more commonly in dogs than in cats. Cyclosporine and tacrolimus are the two drugs most commonly used to stimulate tear production. Cyclosporine has been the standard drug for years although topical ophthalmic tacrolimus is thought to be considerably more effective; as a result it may be useful in animals that are refractory to cyclosporine. Animals with immune mediated KCS will need to be on treatment for the rest of their lives.

Topical tacrolimus also may be useful in localized treatment of atopic dermatitis, pemphigus, lupus erythematosus complex, miliary dermatitis and eosinophilic granuloma complex.

Tacrolimus Side Effects

  • Tacrolimus is very well tolerated in the ophthalmic treatment of KCS.
  • Tacrolimus generally is well tolerated for the localized topical treatment of dermatologic problems. GI symptoms may be encountered from ingestion of the topical ointment (licking).

Precautions

Only topical use of tacrolimus is recommended currently. There is not sufficient information regarding systemic use.

Drug Interactions

No information regarding drug interactions was found in the literature.
 

About the Author

Dr. Barbara Forney is a veterinary practitioner in Chester County, Pennsylvania. She has a master's degree in animal science from the University of Delaware and graduated from the University of Pennsylvania School of Veterinary Medicine in 1982.

She began to develop her interest in client education and medical writing in 1997. Recent publications include portions of The Pill Book Guide to Medication for Your Dog and Cat, and most recently Understanding Equine Medications published by the Bloodhorse.

Dr. Forney is an FEI veterinarian and an active member of the AAEP, AVMA, and AMWA.

You can purchase books by Dr. Forney at www.exclusivelyequine.com

The information contained on this site is general in nature and is intended for use as an informational aid. It does not cover all possible uses, actions, precautions, side effects, or interactions of the products shown, nor is the information intended as medical advice or diagnosis for individual health problems or for making an evaluation as to the risks and benefits of using a particular product. You should consult your doctor about diagnosis and treatment of any health problems. Information and statements have not been evaluated by the Food and Drug Administration ("FDA"), nor has the FDA approved the products to diagnose, cure or prevent disease.

Wedgewood Pharmacy compounded veterinary preparations are not intended for use in food and food-producing animals.