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Advanced Veterinary Care 376 Scott Swamp Road Route 6 (Next to Mama Luke's & East of Wal*Mart) Farmington, CT, 06032 Dr. Nicole Sylvestre, DVM Dr. Bridget Kviten, DVM Dr. Chelsea Marko, DVM

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Alendronate

What is alendronate?

Alendronate is a bone resorption inhibitor used to treat high levels of calcium in the blood in cats and dogs. It may also be used as part of the treatment plan for some types of bone cancer. It has been used to treat feline odontoclastic resorptive lesions (FORLs or tooth resorption) in cats.

It is used off label (extra label) in veterinary medicine. Many drugs are commonly prescribed for off-label use in veterinary medicine. “Off label” means the drug is being used in a way that has not been reviewed or approved by the U.S. Food and Drug Administration (FDA) or Health Canada. In these instances, follow your veterinarian’s directions and cautions carefully, as they may be significantly different from those on the label.

How do I give my pet alendronate?

This medication should take effect within a few days, though effects may not be noticeable.

What if I miss giving my pet the medication?

Give the missed dose as soon as you remember and then wait the recommended time between doses, as prescribed by your veterinarian. Do not give the pet two doses at once.

Are there any potential side effects from alendronate?

Alendronate may cause the following side effects:

The following reactions are rare, but if they occur, contact your veterinarian immediately:

Drug sensitivities can develop over time with repeated exposure. Your pet may have no reaction after the first few doses, but may develop a sensitivity later. It is important to watch for signs of an allergic reaction over the entire course of treatment.

Other side effects may occur. If you notice anything unusual, contact your veterinarian immediately. This medication is long-acting, meaning that effects will last several weeks, though effects may last longer in pets with kidney or liver disease.

Are there any risk factors for this medication?

Alendronate should NOT BE USED in pets who:

Alendronate should be USED WITH CAUTION in pets who:

Are there any drug interactions I should be aware of?

Certain medications should be USED WITH CAUTION when given with alendronate, including:

Be sure to tell your veterinarian about any medications (including vitamins, supplements, or herbal therapies) that your pet is taking before starting any new treatment.

Is any monitoring needed with this medication?

How do I store alendronate?

What should I do in case of emergency?

If you suspect an overdose or an adverse reaction to the medication, call your veterinary office immediately. If they are not available, follow their directions in contacting an emergency facility. Adverse effects should be reported to the FDA or Health Canada.

© Copyright 2025 LifeLearn Inc. Used and/or modified with permission under license. This content written by LifeLearn Animal Health (LifeLearn Inc.) is licensed to this practice for the personal use of our clients. Any copying, printing or further distribution is prohibited without the express written consent of LifeLearn. This content does not contain all available information for any referenced medications and has not been reviewed by the FDA Center for Veterinary Medicine, or Health Canada Veterinary Drugs Directorate. This content may help answer commonly asked questions, but is not a substitute for medical advice, or a proper consultation and/or clinical examination of your pet by a veterinarian. Please contact your veterinarian if you have any questions or concerns about your pet’s health. Created on Dec 13, 2024.

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376 Scott Swamp Road Route 6 (Next to Mama Luke's East of Wal*Mart) Farmington, Connecticut, 06032 Phone: (860) 677-0309 Fax: 860-677-0805 Email: advancedvetcare@comcast.net

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