Vetsulin Rx
Starting At $21.85 per cartridge

Vetsulin Rx

$21.85 per cartridge
Or save an extra 5% (up to $20) with Autoship* $20.76
Cartridge

  • Usually ships the same weekday before 3pm CT with veterinary approval.

  • Requires veterinary authorization.

  • Your pet's veterinarian will provide directions for use.

What is Vetsulin Insulin for Dogs and Cats?

  • Insulin is a hormone that is naturally produced by the pancreas to convert sugar (glucose) in the blood to energy for the body.
  • Insulin therapy is prescribed to dogs and cats with diabetes. Diabetic animals are either unable to produce their own insulin or cannot use it properly. 
  • Insulin helps treat diabetes in cats and dogs by normalizing the glucose level in the blood.
  • The insulin in Vetsulin is Porcine Insulin Zinc Suspension, a U-40, long-acting insulin. U-40 means that each milliliter of insulin is divided into 40 dosing units.
  • Vetsulin 1/2cc syringes hold up to 20 units of insulin.
  • Vetsulin 1cc syringes hold up to 40 units of insulin and are best for dosing high amounts of insulin.
  • Vetsulin VetPen cartridges can be used with the Vetsulin VetPen or used as vials.

Vetsulin VetPen Starter Kits

  • VetPen is an automatic insulin delivery pen device that is designed for the injection of insulin in diabetic dogs and cats.
  • The VetPen uses a multi-dose insulin cartridge.
  • The dose is selected by turning a dial on the bottom of the pen for a more accurate and convenient method of dosing.
  • The VetPen uses replaceable, single-use pen needles for injection under the skin.
  • The VetPen comes in a starter kit with everything needed except for the insulin.
  • The starter kit is available in two size: The VetPen 8 is for small doses and the VetPen 16 is for larger doses.
  • The VetPen is designed for use only with VetPen Needles and Vetsulin cartridges.
  • VetPen sizes: The VetPen 8 can give 0.5 to 8 units in half-unit increments. The VetPen 16 can give 1 to 16 units in one-unit increments.
  • VetPen Starter Kit contents: 1 VetPen, 1 Travel Pouch, 1 Needle Remover, 1 Dose Selector Applicator, 1 Release Button Extension, 28 VetPen Needles, 1 Instruction Manual.

Why do cats and dogs use Vetsulin?

  • Insulin is prescribed to dogs and cats with diabetes mellitus to help lower their blood sugar.
  • Insulin is an ongoing, supportive treatment for diabetes.

What else should I know about Vetsulin?

  • Vetsulin VetPen Cartridges and Vials should be discarded within 42 days after first puncture.
  • Syringes are sold separately.
  • Vetsulin 1/2cc syringes hold up to 20 units of insulin.
  • Vetsulin 1cc syringes hold up to 40 units of insulin and are best for dosing high amounts of insulin.
  • Vetsulin VetPen cartridges can be used with the Vetsulin VetPen or used as vials.
  • Vetsulin VetPens require VetPen needles for administration.
  • Vetsulin vials should be used only with U-40 insulin syringes.
  • Store Vetsulin Insulin in the refrigerator.
  • Vetsulin is not eligible for free shipping.
  • Vetsulin must be shipped next day in cold packs.
  • Vetsulin cannot be shipped to Alaska or Hawaii.
  • There is a limit of 5 Vetsulin vials maximum per shipment.

What problems could my dog or cat have with Vetsulin?

  • Insulin overdoses may be fatal. Contact your veterinarian immediately if your dog or cat is not acting normally.
  • Signs of low blood sugar include weakness, depression, lack of energy, sluggishness, stumbling when walking, behavior changes, muscle twitching, seizures, or coma. It is a medical emergency if your cat or dog is unconscious or having a seizure.

How do you use Vetsulin?

  • Insulin works best when given regularly - at the same times each day and in the same way regarding feeding, such as always after a meal. Follow your veterinarian's directions.
  • Double check the dose every time before you give the insulin to prevent overdoses.
  • Keep a source of easily given sugar, such as corn syrup or honey, on hand at all times in case of low blood sugar. Follow your veterinarian's suggestions.
  • Vetsulin Insulin should be shaken well before use.

What is in Vetsulin?

  • The drug in Vetsulin Insulin is Porcine Insulin Zinc Suspension.
  • There are different kinds of insulin classified by how quickly they work, how long they last, or when they have peak effectiveness.
  • Vetsulin is a type of long-acting insulin. Long-acting insulin reaches the bloodstream several hours after injection and tends to lower blood sugar levels for up to 24 hours.

Will I get what I see in the picture?

  • Vetsulin is a brand name. You will receive the exact brand that you request.

Is it important for my dog or cat to finish all of the Vetsulin?

  • Dogs and cats may use Vetsulin for different lengths of time. Please consult your veterinarian if you have any questions.

Who makes Vetsulin?

  • Vetsulin products are distributed by the manufacturer Merck.