Using an Insulin Pen for your Diabetic Cat

My cat has diabetes - I need to use an insulin pen

When your cat has diabetes, it may be necessary to use an insulin pen. Initially designed for human use, insulin pens have become increasingly popular for veterinary purposes due to their ease of use, accuracy, and convenience. They are a compact, handheld device that delivers insulin subcutaneously (under the skin). Insulin pens contain a cartridge pre-filled with insulin and are equipped with a dial to set the dosage, a disposable needle, and a button to administer the insulin. Insulin pens offer several advantages over traditional syringes, including more precise dosing, ease of handling, and reduced discomfort for both the cat and the owner.

Before you start

Before using an insulin pen, it is essential to consult your vet to determine the appropriate type and dosage of insulin for your cat.

The most commonly used insulins for cats include Glargine, Detemir, and PZI (Protamine Zinc Insulin), each with specific properties and dosage requirements.

Different types of insulin require different insulin pens. For example, Glargine insulin may use the Lantus SoloStar pen, while Detemir insulin uses the Levemir FlexTouch pen. Make sure to select the insulin pen that is compatible with the type of insulin your veterinarian prescribes.

In addition to the insulin pen, you will need sterile, disposable pen needles, alcohol swabs, and a sharps container for proper disposal of used needles. Ensure the insulin is stored properly, typically in a refrigerator, and never used past its expiration date.

A step by step guide to using an insulin pen

Always start by washing your hands thoroughly with soap and water to minimise the risk of infection.

Prepare the insulin pen:

Remove the cap from the insulin pen.
If the insulin requires mixing (such as PZI), gently roll the pen between your palms 10-20 times to ensure an even suspension. Do not shake the pen vigorously, which can cause air bubbles and affect dosing accuracy.
Attach a new, sterile needle to the pen by screwing it onto the threaded tip. Remove the outer and inner protective caps from the needle.

Prime the pen:

To remove air bubbles and ensure accurate dosing, prime the pen by dialling a small dose (usually 1-2 units) and pressing the button to release the insulin. Repeat this process until a drop of insulin appears at the needle tip.

Set the correct dose:

Turn the dosage dial to the prescribed number of units of insulin. Ensure that the dose is correctly aligned with the pen’s indicator window.

Select an injection site for your cat:

The recommended injection sites for cats are the loose skin areas, such as the scruff of the neck or the sides of the abdomen. Rotate injection sites regularly to prevent lipodystrophy (localised fat tissue changes) and maintain insulin absorption efficiency.

Administer the insulin:

Gently lift the loose skin at the chosen injection site to form a tent-like fold.
Insert the needle at a slight angle (usually 45 degrees) into the fold of the skin. Press the button on the insulin pen to deliver the insulin dose.
After pressing the button, hold the pen in place for 5-10 seconds to ensure the full dose is delivered.

Remove and dispose of the needle:

Carefully remove the needle from your cat’s skin and immediately place it into a sharps container. Do not recap the needle to avoid accidental needle-stick injuries.
Record the dose and time: Maintaining a log of insulin doses, times, and any relevant observations (such as behaviour changes or appetite) can help your veterinarian fine-tune your cat’s diabetes management plan.

Tips for successful insulin administration

Cats are sensitive to their owner’s emotions. Remaining calm and handling your cat gently will help minimise stress.

Reward your cat with praise, petting, or a small, diabetes-friendly treat after each injection to create a positive association with insulin administration.

Regular monitoring of your cat’s blood glucose levels is essential. Work closely with your veterinarian to develop a monitoring schedule.

Hypoglycemia (low blood sugar) can occur if too much insulin is administered. Symptoms include lethargy, tremors, uncoordinated movements, and seizures. If you suspect hypoglycemia, have a plan in place with your veterinarian on how to respond.

Using an insulin pen for your diabetic cat can simplify the process of insulin administration, providing precise dosing and ease of use. By following proper preparation and administration techniques, you can help manage your cat’s diabetes effectively and improve its quality of life. Always work closely with your veterinarian to tailor the insulin regimen and address any concerns that may arise during treatment.

Are you worried about your cat’s health?

If you are concerned about your cat, please reach out to our friendly team. Call us on 1300 228 377 or fill out the contact form below. In an emergency, please contact your local vet.

For vets – to refer a patient or book a telehealth consultation, please call us on 1300 228 377, book through the portal or fill in the form.

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Using an Insulin Pen for your Diabetic Cat

My cat has diabetes - I need to use an insulin pen

Before you start

A step by step guide to using an insulin pen

Are you worried about your cat’s health?

Patient Stories

Tango Triumphs Over FIP

Toffee Survives Tick Paralysis

JJ & the Lily – a close call

Han’s Hip Fracture Surgery

Coco and Kidney Troubles

Contacting Us