Also known as Caninsulin




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Product Details


Vetsulin is a special insulin for pets with diabetes, good for both dogs and cats. It's like the insulin animals naturally have. Vetsulin keeps blood sugar stable, helping your pets stay healthy and active.

Why Choose Vetsulin?

Vets and pet owners trust Vetsulin because it's made just for pets. It works well to control blood sugar in animals like dogs and cats.


Speak with your vet about Vetsulin's suitability and cost for your pet's diabetes management.

  • Gently shake the vial until it's uniformly milky.
  • Use a U-40 insulin syringe to draw the prescribed dose.
  • Administer subcutaneously as your vet advises.
  • Keep a regular check on your pet's blood sugar.


The primary component in Vetsulin is porcine insulin zinc suspension.


  • Ensure use of U-40 syringes.
  • Avoid if the solution is clear or clumpy.
  • Not suitable for pets allergic to pork or any Vetsulin ingredient.


Vetsulin can interact with drugs like beta-blockers, diuretics, steroids, and thyroid hormones.

Side Effects

Generally safe, Vetsulin can occasionally cause:

  • low blood sugar
  • injection site reactions
  • appetite changes
  • gastrointestinal issues, or
  • lethargy

Frequently Asked Questions about Vetsulin

What is Vetsulin?

Vetsulin is the first insulin approved by the US FDA for treating canine and feline diabetes mellitus. It's an intermediate-acting, lente insulin, produced by Merck Animal Health, available only by prescription.

Is Vetsulin a new product?

No, Vetsulin is not new. It is registered in over 30 countries as Caninsulin and has been used since 1990, demonstrating a history of safety and efficacy.

Where is Vetsulin manufactured?

Vetsulin is manufactured by Merck Animal Health in Germany.

Can Vetsulin be diluted?

No, diluting Vetsulin alters its pharmacokinetics, which can lead to improper insulin activity and efficacy.

Is it safe to use 100 IU syringes with Vetsulin?

No, only U-40 insulin syringes should be used with Vetsulin. Using a U-100 syringe would result in incorrect dosing, potentially leading to severe health issues.

How does Vetsulin differ from human insulin products?

Vetsulin, being porcine insulin, has the same amino acid sequence as natural canine insulin, which may provide more effective blood glucose regulation and decrease the risk of anti-insulin antibody development in dogs.

Why choose Vetsulin over human insulin for diabetic dogs and cats?

Vetsulin's 40 IU/mL concentration allows for more accurate dosing in small animals compared to human insulin, which is only available in 100 IU/mL concentrations.

What should be considered when switching from human insulin to Vetsulin?

Transitioning from one insulin product to another should be done cautiously and under a veterinarian’s supervision due to potential changes in dosage requirements.

What are the contraindications and precautions for Vetsulin?

Vetsulin should not be used in animals with a systemic allergy to pork or pork products and during periods of hypoglycemia. Caution is advised in animals with severe ketoacidosis, and it's essential to monitor for hypoglycemia and hyperglycemia.

How should Vetsulin be stored and used?

Vetsulin should be stored in an upright position under refrigeration (2°C to 8°C) and protected from light. Its contents must be used within 42 days of the first puncture.

IMPORTANT NOTE: The above information is intended to increase awareness of health information and does not suggest treatment or diagnosis. This information is not a substitute for individual medical attention and should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. See your health care professional for medical advice and treatment.

Product Code : 13371

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