Medication comparison

Apoquel vs Cyclosporine: what's the difference?

How Apoquel and Cyclosporine compare: what each is for, how it works, side effects and cost, side by side.

Last updated: October 2026 · 3 sources · see sources

Quick answerBoth treat allergic skin disease. Apoquel often works within a day or two; cyclosporine (Atopica) can take a few weeks to reach full effect and is also used in cats. [1][2]

Side by side

Apoquel vs Cyclosporine compared
ApoquelCyclosporine
Generic nameOclacitinibCyclosporine (oral)
Brand namesApoquelAtopica, Atopica for Cats
ForDogsDogs and cats
PrescriptionPrescriptionPrescription
Used forControls itching from allergic skin disease, including atopic dermatitis, in dogs at least 12 months old. Vets occasionally use it for other skin problems. [1]Treats atopic dermatitis (skin allergies) in dogs and cats, plus other immune-related conditions. [2]
How it worksIt blocks JAK enzymes, which are part of the signal chain that drives itch and inflammation. Many dogs feel relief within a day or two. [1]It adjusts the immune cells involved in an allergic reaction, which lowers itch and inflammation. It can take a few weeks to reach full effect. [2]
Common side effectsVomiting, diarrhea or a lower appetite; tiredness; a higher chance of infections such as urinary, skin or respiratory infections; new skin lumps. [1]Vomiting, diarrhea and lower appetite are the most common. Rarely, more infections or cancers. [2]
Use with careNot for dogs with recent or current demodectic mange, serious infections, or cancer. Wear gloves or wash your hands after handling. Call your vet about fever, breathing trouble or any new lump. [1]Not for pets with a history of cancer, pets that are breeding, pregnant or nursing, or pets under six months old. Your vet may want bloodwork during long-term use. [2]
Typical priceApoquel pills, per fill: $30–$90 [3]No reliable published price
Full guideApoquel guideCyclosporine (Atopica) guide

Key differences

Which one is right for my pet?

That is a call for your vet. They weigh your pet's age, weight, other health problems, other medicines and what you can realistically give at home.

Switching from Apoquel to Cyclosporine is common, but do it only with your vet's plan.

About dosesWe don't list doses. The right amount depends on your pet's weight, health and other medicines, and only your vet can set it.

Common questions

What is the difference between Apoquel and Cyclosporine?

Both treat allergic skin disease. Apoquel often works within a day or two; cyclosporine (Atopica) can take a few weeks to reach full effect and is also used in cats.

Is Apoquel better than Cyclosporine?

Neither is better for every pet. Your vet chooses based on your pet's species, age, health history, other medicines and what you can manage at home.

Can my pet take Apoquel and Cyclosporine together?

Only if your vet says so. Some medicines in the same family should not be combined, and others are often used together. Always check before adding or switching.

Do Apoquel and Cyclosporine need a prescription?

Apoquel: Yes. It needs a prescription from a veterinarian. Cyclosporine: Yes. It needs a prescription from a veterinarian.

How much do Apoquel and Cyclosporine cost?

Apoquel: Apoquel pills, per fill $30–$90. Cyclosporine: no reliable published price. Prices vary by pet size, pharmacy and clinic.

This page is general information for planning, not veterinary advice. Talk to your vet about your own pet.

Sources (3) — tap to show
  1. VCA Animal Hospitals – Oclacitinib (veterinary drug handout)
  2. VCA Animal Hospitals – Cyclosporine (oral) (veterinary drug handout)
  3. VetReceipt – Dog skin allergy treatment cost (owner bills)