Lisinopril Tablets, 2.5mg

Low-Dose ACE Inhibitor for Heart and Kidney Health in Pets

Product Description

Lisinopril 2.5 mg Tablets are a low-dose prescription ACE inhibitor for dogs and cats needing careful, gradual cardiovascular support. Keeping blood vessels from tightening lowers pressure, reduces strain on the heart, and improves circulation. Used off-label in veterinary medicine, it is prescribed for congestive heart failure, high blood pressure, certain heart valve diseases, and select kidney conditions.

Benefits

• Gradual Blood Pressure Reduction: Allows vets to bring in lisinopril at the gentlest available dose, easing pets gradually into ACE inhibitor therapy.
• Vein Dilation and Fluid Reduction: Widens veins and lowers fluid retention, easing the load the heart carries when pushing blood through the body.
• Cardiovascular Support: Eases the load on a weakened heart in pets with congestive heart failure, supporting better function over time.
• Kidney Disease Management: Lowers pressure within the kidney's filtration system in some pets, potentially protecting renal tissue and supporting function over time.
• Heart Valve Disease Use: Also prescribed for certain heart valve conditions in dogs and cats beyond its hypertension and heart failure applications.
• FDA-Approved Generic Medication: An FDA-approved generic sold without a dedicated veterinary brand, giving pets a well-established and accessible cardiac care option.

Ingredients

Active Ingredient

Lisinopril

How to Use

Dosage & Administration Instructions

Lisinopril 2.5 mg Tablets are a prescription-only medication. A valid prescription from a licensed veterinarian is required before this product can be purchased or dispensed. Follow your veterinarian's instructions precisely when giving this medication to your pet. Never stop lisinopril without speaking to your vet first, and always make sure your pet has plenty of fresh, clean water throughout the full course of treatment.

Disclaimer: Dosage and administration of this medication must be determined by a licensed veterinarian. Always consult your veterinarian before administering or adjusting any prescription medication for your pet.

Even the smallest tablets can be tricky to give, but a pill pocket or pill wrap removes all the guesswork. Wrap the tablet in a soft treat your pet already loves and offer it at mealtime — it is one of the easiest ways to keep up with a consistent medication routine without the stress. Shop Pill Pockets for Dogs | Shop Pill Pockets for Cats

Additional Information

Precautions

• ACE Inhibitor Allergy: Pets with past reactions to lisinopril, enalapril, benazepril, or any ACE inhibitor must not be given this product.
• Avoid in Pregnancy: Fetal harm rules this product out for pregnant animals; nursing pets need extra care and close veterinary supervision throughout.
• Liver Disease and Blood Disorders: Inform your vet about liver disease, lupus, or blood abnormalities before starting, as all require careful consideration beforehand.
• Low Sodium Caution: Pets with very low sodium levels risk a sharp blood pressure drop when this product is first introduced.
• Drug Interactions: Diuretics, NSAIDs, beta-blockers, potassium supplements, and other pressure drugs all interact with this product; keep your vet fully informed.
• Do Not Stop Without Guidance: Your vet's approval is needed before stopping; sudden dose cuts can push blood pressure to a harmful level.

Possible Side Effects

• Vomiting and Diarrhoea: Vomiting and loose stools are among the most frequently seen reactions in pets receiving lisinopril therapy.
• Reduced Appetite: Food interest may drop in some pets; tell your vet if appetite falls persistently or eating stops entirely.
• Low Blood Pressure: Low blood pressure causing weakness, fatigue, or collapse may develop, especially with higher doses or in combination therapy.
• Rash or Fever: Rash or fever during treatment may signal a serious reaction; stop this product immediately and contact your vet.
• Allergic Reaction Signs: Breathing trouble, facial swelling, or hives signal a serious allergic reaction requiring immediate emergency veterinary attention without any delay.
• Kidney Function Changes: Kidney function may shift in pets with existing renal conditions; raised thirst or urination changes should be reported promptly.

Storage Information

• Controlled Room Temperature: Store at a stable room temperature between 68°F and 77°F (20°C to 25°C), away from heat and freezing.
• Protect from Light and Moisture: Tightly sealed and away from direct light and humidity is what these tablets need to hold their potency.
• Secure Storage Essential: A large accidental dose can cause dangerous low blood pressure; store well away from children and other animals.

NOTE: For generic medications, the product image shown may not reflect the actual item received. Generic medications can vary in size, color, and shape between orders depending on the manufacturer. Additionally, your medication may arrive packaged in a HardyPaw Pharmacy vial.

Shipping & Return

We offer ground, express, and priority delivery; see our shipping policy for details.

For return instructions or product concerns, please refer to our detailed refund policy.

Prescription items are NON-RETURNABLE and NON-REFUNDABLE.

Frequently Asked Questions

Q1: What is lisinopril 2.5 mg used for in dogs and cats?

Ans: Used off-label in dogs and cats for congestive heart failure, high blood pressure, certain heart valve diseases, and some kidney conditions. It relaxes blood vessels and reduces fluid retention, supporting healthier circulation and less cardiovascular strain in treated pets.

Q2: Can lisinopril be given to a cat with heart failure?

Ans: Yes, lisinopril may be used off-label in cats with heart failure under veterinary recommendation. Cats with severe heart failure need especially close monitoring, and your vet will determine whether lisinopril is the most appropriate ACE inhibitor choice for your cat.

Q3: Is it safe to stop giving lisinopril to my pet if they seem to be improving?

Ans: No, lisinopril must never be stopped without vet approval, even when a pet seems to be doing better. Stopping suddenly can cause blood pressure to spike sharply. Always follow your vet's instructions and discuss any planned changes before adjusting or ending treatment.

Q4: How will my vet know if lisinopril is working for my pet?

Ans: Because lisinopril's effects on blood pressure and heart function are not visibly obvious, your vet will use regular blood pressure checks and bloodwork covering kidney values and electrolytes to assess the response and confirm the product remains safe and effective.

Q5: What are the signs of a lisinopril overdose in pets?

Ans: Signs of overdose in dogs and cats include very low energy, dangerously low blood pressure, vomiting, and a rapid heart rate. If you suspect your pet has received more than the prescribed amount, contact your vet or an emergency clinic immediately.