Lisinopril Tablets, 40mg

High-Strength ACE Inhibitor for Heart and Blood Pressure in Pets

Product Description

Lisinopril 40 mg Tablets are a high-strength prescription ACE inhibitor for dogs and cats with significant cardiovascular conditions needing more robust blood pressure management. Blocking the enzyme that keeps blood vessels tight lets them open up, takes load off the heart, and supports steadier circulation throughout the body. Prescribed off-label for congestive heart failure, hypertension, heart valve diseases, and select kidney disease types.

Benefits

• Potent Pressure Lowering: Delivers strong ACE inhibition to bring significantly elevated blood pressure down in pets with more advanced cardiovascular conditions.
• Reduced Cardiac Workload: Widening blood vessels cuts the pumping effort the heart must make, supporting better function in pets with heart failure.
• Fluid Retention Reduction: Lowers aldosterone-driven fluid and sodium retention, helping ease congestion and breathing difficulty in pets with heart failure.
• Renal Pressure Support: Brings filtration pressure within the kidneys down, potentially slowing certain kidney disease progression and reducing urinary protein loss.
• Heart Valve Disease Management: Supports treatment plans for pets with certain heart valve conditions, helping address the cardiovascular impact of valve dysfunction.
• Trusted FDA Generic: A long-standing FDA-approved generic used off-label in veterinary medicine for cardiac and renal support in companion animals.

Ingredients

Active Ingredient

Lisinopril

How to Use

Dosage & Administration Instructions

• Prescription Required: A valid prescription from a licensed veterinarian must be in place before this product can be purchased or dispensed.
• Follow Vet Instructions: Give this medication exactly as directed and never adjust or stop the dose without speaking to your veterinarian first.
• Fresh Water Access: Always make sure your pet has constant access to fresh, clean water throughout the entire 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.

Larger tablets can sometimes be more challenging to give, but a pill pocket or pill wrap solves the problem easily. Conceal the tablet inside a soft, flavourful treat and offer it as part of your pet's usual routine — it is a simple, calm way to stay consistent with a daily medication schedule. Shop Pill Pockets for Dogs | Shop Pill Pockets for Cats

Additional Information

Precautions

• Prior ACE Sensitivity: Pets with a past reaction to enalapril, benazepril, lisinopril, or any ACE inhibitor must not receive this product.
• Pregnancy Contraindication: Known fetal developmental harm makes this product off-limits for pregnant animals; nursing pets also need heightened caution and vet oversight.
• Liver Disease and Lupus: Liver disease, lupus, or blood cell abnormalities all call for thorough vet assessment before this product is started.
• Severe Heart Failure: Critically ill pets with severe heart failure need especially close vet monitoring throughout the full course of treatment.
• Drug Interactions: NSAIDs, diuretics, beta-blockers, and potassium supplements all interact with this product; always give your vet a complete medication list.
• No Abrupt Discontinuation: A sudden stop risks a dangerous blood pressure spike; always follow your vet's tapering or discontinuation guidance carefully.

Possible Side Effects

• Gastrointestinal Upset: Vomiting and diarrhoea are the most common reactions; reach your vet if either continues or becomes severe during treatment.
• Low Blood Pressure: Risk grows at higher doses; sudden weakness, inability to stand, or collapse all call for immediate veterinary attention.
• Decreased Appetite: Some pets eat less early in treatment; contact your vet if appetite remains low or eating stops entirely.
• Rash or Fever: Rash or fever during treatment may signal a sensitivity reaction; stop this product immediately and contact your vet.
• Cough and Weakness: Dry cough and weakness may appear; tell your vet if either sign develops and fails to clear naturally.
• Kidney Dysfunction Signs: Increased thirst or urination changes may indicate kidney stress; flag these to your vet promptly for bloodwork and assessment.

Storage Information

• Room Temperature Storage: Store at a steady indoor temperature between 68°F and 77°F (20°C to 25°C), away from any freezing conditions.
• Protect from Light: Tightly sealed in a dry, dark spot, these tablets maintain their potency over the full shelf life.
• Keep Out of Reach: Store securely away from children and other animals; large accidental doses can trigger a life-threatening blood pressure drop.

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 conditions is Lisinopril 40 mg prescribed 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 select kidney conditions. The 40 mg strength is generally reserved for larger pets or those whose clinical response requires a higher prescribed dose.

Q2: How does Lisinopril support a pet's heart health?

Ans: Lisinopril blocks the ACE enzyme that would otherwise cause blood vessels to constrict. Keeping vessels relaxed means the heart pumps against less resistance, fluid retention drops, and overall cardiovascular function improves in affected pets receiving this product.

Q3: Can Lisinopril 40 mg be used in cats as well as dogs?

Ans: Yes, lisinopril is used off-label in both species, though less commonly in cats. Vets often prefer enalapril or benazepril for feline patients due to more available clinical data, but lisinopril remains a valid option when the treating vet considers it appropriate.

Q4: What monitoring is needed while my pet is on Lisinopril 40 mg?

Ans: Regular bloodwork covering kidney values and electrolytes is recommended throughout treatment. Blood pressure readings are also taken before starting and at follow-up intervals to confirm the medication is working as intended without causing harmful changes in the body.

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

Ans: Extreme weakness, dangerously low blood pressure, vomiting, and a rapid or irregular heart rate may all signal an overdose. Contact your vet or an emergency clinic immediately if you suspect your pet has taken more than the prescribed amount.