Sildenafil is a medication used to treat heart and lung problems, such as pulmonary hypertension, in dogs and cats.

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Sildenafil Basics

Sildenafil is useful in the treatment of pulmonary hypertension. Veterinarians use it as an extra-label drug.

This medication requires a prescription from your veterinarian. It is available in 20mg tablets.

Sildenafil Directions

Use as directed by your veterinarian and follow all instructions printed on the prescription label. Complete the entire prescription unless instructed otherwise by your veterinarian. Dosage and duration of treatment depend on the condition be treated and response to the medication.

Store tablets at room temperature, protected from light and moisture.

Sildenafil Warnings

Keep out of the reach of children and pets. Do not use in pets with known hypersensitivity to sildenafil. Use with caution in pets that are pregnant or nursing. Use with caution in pets also suffering from fluid depletion or hypotension. Sildenafil may interact with some other medications. Therefore, it is important to inform your veterinarian of any and all medications your pet is taking, especially antifungals, amlodipine, clarithromycin, erythromycin, nitrates, phenobarbital, or rifampin.

If you notice any behavioral or physiological changes in your pet while giving this medication, contact your veterinarian immediately.

Adverse Reactions and Serious Side Effects

Due to limited veterinary use, possible adverse side effects are not well documented or understood. Contact your veterinarian if you notice any unusual changes in your pet’s behavior or health.

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

Prescription Strength

20mg, 50mg