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VetPen Starter Kit Rx

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Product Overview

How To Use

What’s in it?


Questions & Answers

Product Description

VetPen is the first and only insulin pen made exclusively for pets with diabetes. Insulin pens have made diabetes management easier for humans for many years. VetPen offers that accuracy and convenience to pet parents, allowing them to manage their pet’s diabetes without vials or syringes.
Available in 16IU or 8IU Starter Kits.
*VetPens should only be used with Vetsulin VetPen Cartridges 2.7 ml #50991 and VetPen Needles 12 mm (29 g) #50990 sold separately. 

What is VetPen Starter Kit?

VetPen is the first and only insulin pen designed exclusively for diabetic pets. Makes delivering crucial medicine to diabetic pets easier and more convenient.

Who is VetPen Starter Kit for?

For use in cats and dogs.

Why use VetPen Starter Kit?

Features of VetPen:
  • FDA-approved treatment for diabetic cats and dogs
  • Triple-sharpened, specially lubricated needles allow for less penetration force, minimizing pain and discomfort
  • VetPen can help pet parents alleviate concerns and fears about giving their pet insulin by eliminating syringes, which could be more intimidating and cumbersome
  • VetPens are portable, which means pet parents can inject their pet anywhere (although cartridges are recommended to be refrigerated during usage and storage).
  • Multi-dose insulin cartridges (50991, sold separately) require fewer preparation steps after priming (removing air)
  • Ergonomic design makes VetPen easy to handle
  • Excellent choice for smaller doses
  • Precise design minimizes dosing errors and allows the user to turn a dial and set the dose

How does VetPen Starter Kit work?

VetPens make it convenient and easy to deliver insulin to your diabetic pet.



How is VetPen Starter Kit sold?

8 IU or 16 IU Starter Kits

What are the side effects of VetPen Starter Kit?

Hypoglycemia (low blood sugar) is the most frequently reported adverse reaction to insulin. This can be serious and life-threatening. It could damage your brain or heart. Symptoms of severe low blood sugar could include:
  • Blurred vision
  • Rapid heartbeat
  • Sweating
  • Shaking
Other potential side effects include:
  • Weight gain
  • Edema (swelling)
  • Rash
  • Pruritus (itching)
  • Lipodystrophy
  • Reactions at the injection site
  • Allergic reactions

What special precautions are there?

  • Systemic or local allergic reaction could occur in sensitized individuals due to product exposure.
  • Seek immediate medical attention in the case of accidental injection. This could result in clinical hypoglycemia.
  • Flush eyes immediately with copious amounts of water for no less than 15 minutes of contact in the case of contact with the eyes. Take care to avoid contact with the eyes.
  • Effectiveness and safety have not been evaluated in lactating, pregnant, or breeding cats and dogs, or in kittens and puppies, has not been proven.
  • Overdose can lead to profound hypoglycemia or death.
  • With this and all other insulin products, the patient should be carefully monitored for hyperglycemia and hypoglycemia. This is fundamental in maintaining and achieving proper glycemic control and preventing associated complications.
  • Do not use during hypoglycemic periods.
  • Do not administer to cats or dogs with known systemic pork or pork product allergies.
  • Keep out of reach of animals and children.

What to do if overdose?

In case of overdose, contact your closest emergency pet hospital

How can I store VetPen Starter Kit?

Store in a cool and dry place. Do not freeze. Refrigeration of insulin cartridges (36* - 46* F) is recommended during storage and usage.

Helpful Tips:

  • Even when drawn up by trained lab professionals, syringes were found to deliver at least 20 to 25% more insulin than needed. VetPen allows you to deliver the correct insulin dose with confidence.
  • 97% of pet owners reported no difficulty learning to use VetPen.

Pharmacists are standing by to offer Pet Parent counseling regarding prescription medication purchased from Allivet before and after dispensing. Pharmacists on duty are available Monday-Friday, 9:30AM - 5:30PM EST and will be on call Saturday 12:00PM - 4:00PM EST for consultation.


Use as prescribed by your vet.

Main Ingredients

VetPen 8 IU Starter Kit Includes :
1 Pen (8 IU with dosing increments of .5 IU)
1 Instruction Leaflet
1 Box of 28 needles (29G x 12 mm)
1 Travel Pouch
1 Needle Remover
1 Dose Selector Adaptor
1 Release Button Adaptor

VetPen 16 IU Starter Kit Includes :
1 Pen (16 IU with dosing increments of 1 IU)
1 Instruction Leaflet
1 Box of 28 needles (29G x 12 mm)
1 Travel Pouch
1 Needle Remover
1 Dose Selector Adaptor
1 Release Button Adaptor

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VetPen Starter Kit

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