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Amlodipine Besylate (generic for Norvasc) is a veterinary-prescribed calcium channel blocker used to manage high blood pressure (hypertension) and support heart health in dogs and cats. By relaxing blood vessel walls and reducing vascular resistance, it effectively lowers systemic blood pressure and reduces strain on the heart.It is especially beneficial in cats with kidney disease, where hypertension is common, and is often prescribed to treat congestive heart failure in dogs as part of a broader cardiovascular management plan. Available in 2.5 mg and 5 mg tablet strengths, Amlodipine is a key part of long-term blood pressure control in pets.
Key Benefits
Treats high blood pressure (systemic hypertension) in dogs and catsHelps manage heart failure in dogs by reducing afterloadCommonly prescribed for cats with chronic kidney disease (CKD)Works by relaxing blood vessels, making it easier for the heart to pumpAvailable in 2.5 mg and 5 mg strengths for flexible dosing
How It Works
Amlodipine Besylate blocks calcium from entering the smooth muscle cells of blood vessels, causing them to relax and dilate. This lowers systemic blood pressure, improving circulation and decreasing the workload on the heart. It’s classified as a vasodilator and calcium channel blocker
Usage & Administration
Always use Amlodipine exactly as prescribed by your veterinarian.
Typical Dosage
Cats: 0.625–1.25 mg per cat, once daily
Dogs: 0.1–0.25 mg/kg once daily
May be given with or without food
Tablets should not be split unless instructed by your veterinarian.
Precautions
Not for use in animals with low blood pressure (hypotension) or known sensitivity to calcium channel blockers
Use caution in pets with liver disease
May cause side effects such as lethargy, increased heart rate, or gastrointestinal upset
Do not stop medication abruptly without veterinary guidance
Keep out of reach of children and pets
Storage Instructions
Store at controlled room temperature (68°F to 77°F / 20°C to 25°C) in a dry place.
Amlodipine Besylate (generic Norvasc) assists in preventing high blood pressure or hypertension in dogs and cats. It inhibits the entry of calcium into muscle cells and causes the blood vessels to relax, thus reducing the blood pressure. Moreover, the drug also functions as a vasodilator drug, which helps in the treatment of congestive heart failure in dogs. The drug is also used to treat hypertension, particularly in cats suffering from kidney disease.