Fluoxetine is used for behavioral modifications in dogs and cats.

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Fluoxetine Basics

Fluoxetine is an extra-label antidepressant used in cats and dogs for behavior modification. It is a selective serotonin reuptake inhibitor (SSRI) used to treat behaviors in animals such as separation anxiety, canine aggression, obsessive-compulsive disorders, and itching. This medication increases serotonin levels in the brain.

Fluoxetine requires a prescription from your veterinarian. It is available in a capsule and a tablet.

Fluoxetine Directions

Give as directed by your veterinarian, and follow all instructions printed on the prescription label. Give this medication with food. Complete the entire prescription unless instructed otherwise by your veterinarian. It may take up to 3-4 weeks of treatment before results are noticeable.

Store at room temperature, protected from light and moisture.

Fluoxetine Warnings

Keep out of the reach of children and pets. Do not use in pets with known allergies to fluoxetine. Do not use in animals that are pregnant or lactating. Use with caution in pets suffering from seizures, kidney disease, liver disease, or diabetes. This medication may interact with some other medications. Therefore, inform your veterinarian of any medications your pet may be taking. This is especially important if your pet is currently taking selegiline, anipryl, Preventic collars, Mitaban dip, diazepam, phenylbutazone, digoxin, or buspirone. In the case of a missed dose of fluoxetine, give it as soon as you remember or wait until it is time to give the next dose. Do not give a double dose. If you notice any behavioral or physiological changes in your pet during treatment, contact your veterinarian immediately.

Adverse Reactions and Serious Side Effects

Adverse reactions and serious side effects are rare, however, they can occur. In the case of a more serious reaction, seek immediate veterinary attention. Some common signs of an adverse reaction include facial swelling, breathing difficulties, rashes, hives, panic attacks, aggression, irritability, hyperactivity, behavioral changes, or seizures.

If you have any additional questions regarding this product, please contact us at (877)220-6337. A member of our pharmacy staff will be happy to assist you!

Additional information


Capsule, Tablet

Prescription Strength

10mg, 20mg, 40mg