NPH insulin (Humulin N, Novolin N) for dogs and cats
An intermediate-acting human insulin used mostly in diabetic dogs. [1]
Key facts
| Generic name | NPH insulin |
|---|---|
| Common brand names | Humulin N, Novolin N |
| Used in | Dogs & Cats |
| Type | Diabetes |
| Prescription? | Prescription |
| Typical US price | $30–$150 a month [2] |
What it's used for
An intermediate-acting human insulin used mostly in diabetic dogs. [1]
How it works
Protamine is added so it acts longer than regular insulin. [1]
Side effects and cautions
Common side effects: Skin lumps; low blood sugar is the main risk. [1]
Use with care: Use only the syringe type your vet prescribes (U-100). Signs of low blood sugar need urgent care. [1]
Call your vet right away if your pet has trouble breathing, facial swelling, hives, collapse, or any side effect that is severe or getting worse.
What it costs
- Insulin for a dog (any type): $30–$150 a month [2] see the cost guide
- Insulin for a cat (any type): $50–$150 a month [3] see the cost guide
Prices come from public owner-bill reports and vary by clinic, pharmacy, pet size and dose.
NPH insulin (Humulin N, Novolin N) FAQ
What is NPH insulin (Humulin N, Novolin N) used for in dogs and cats?
An intermediate-acting human insulin used mostly in diabetic dogs.
What are the side effects of NPH insulin (Humulin N, Novolin N)?
Skin lumps; low blood sugar is the main risk.
Does NPH insulin (Humulin N, Novolin N) need a prescription?
Yes. It needs a prescription from a veterinarian.
How much NPH insulin (Humulin N, Novolin N) should I give my pet?
Only your veterinarian can tell you. The right dose depends on your pet's weight, health and other medicines, so we don't list doses. Never give a pet a medicine prescribed for a person or another animal without asking your vet.
Related medications
Related cost guides
This page is general information for pet owners, not veterinary advice. Talk to your vet about your own pet.