What are the side effects of Apoquel?

Dr. Isabella Martinez
5 Min Read

Has your dog ever suffered from relentless itching and skin problems? If you plan to use Apoquel as a solution, having enough knowledge about it is crucial. You can only ensure the well-being of your furry friend after thoroughly knowing about the benefits and possible side effects of Apoquel before experimenting with them.

Are you worried about the side effects of apoquel and planning to choose an alternative to apoquel? Here is the link…

Apoquel Side Effects

Apoquel heals all the itching and irritation of your dog caused by different skin allergies. Generally considered safe, this medicine could have unwanted and harmful effects on your dog that could risk their health. Here are some of them listed:

  • Distressed Stomach: 

After using Apoquel, your dog might have a distressed tummy due to temporary digestive issues such as diarrhea or vomiting.

  • Increased Infections: 

In some cases, Apoquel can weaken a dog’s immune system, which leads to increased chances of infections in the urinary tract, respiratory, or skin.

  • Parasite Susceptibility: 

As Apoquel stops the immune responses, your dog might also lose response to parasites like ticks and fleas. Look out for them and make sure to keep the parasites at bay.

  • Liver Enzymes: 

In rare cases, Apoquel may elevate liver enzymes, potentially leading to liver problems. When using for the long-term, closely monitor the changes.

  • Cancer Risk: 

Reports have suggested a slight increase in certain types of cancer in dogs taking Apoquel. However, further research is required to establish a definitive connection.


What does apoquel do for a dog?

Apoquel is a specially targeted medication for dogs to help them get away with itching and inflammations caused by allergic skin conditions related to atopic dermatitis (allergies) and allergic dermatitis. Apoquel obstructs a specific enzyme in a dog’s immune system that suppresses the itch response and relieves them from uncomfortable situations.

What does Apoquel treat?

Apoquel treats dogs’ allergies and skin conditions by relieving them from constant itching and discomfort. It improves your dog’s overall health and gives them an itch-free life.

What to do when a human accidentally intakes Apoquel?

Apoquel has been tested and proven effective for dogs but has not undergone clinical trials and safety evaluations for human use. Its effects and risks in humans are unknown. In such times when a human accidentally takes Apoquel, rushing towards the hospital, contacting a healthcare professional, or visiting the nearest emergency room to receive proper evaluation and guidance is strongly advised. Give a proper explanation of the case and situation to the doctor for proper treatment.

What is the generic version of Apoquel?

Oclacitinib is considered the generic version of Apoquel. It contains the same active ingredient as the branded one. Both these versions work equally effectively to eliminate allergic conditions in dogs.

What does Apoquel have for dogs?

Apoquel for dogs contains oclacitinib as its active ingredient, belonging to a class of medications known as Janus kinase (JAK) inhibitors. This ingredient explicitly targets certain enzymes in the immune system to relieve itching and inflammation associated with allergic dermatitis in dogs.

Does Apoquel make dogs sleepy?

Apoquel does not commonly cause drowsiness or sleepiness, but individual responses may vary. In rare cases, your dog may feel mild calmness or exhaustion. It should not be a significant concern. Your veterinarian is always there if you notice any other concerning changes.


In conclusion, Apoquel is a very effective treatment used widely for managing dog itching and allergies. However, it should only be used with a veterinarian’s proper caution and guidance. Pet owners should be well-informed about the benefits and potential side effects of any medicines they plan to use, which helps in making the treatment much more effective. Maintaining open communication with your vet is a small but highly effective step to make the best results for your furry friend’s health and happiness.

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Dr. Isabella Martinez has been a trusted veterinarian in the heart of Miami for the past 19 years. Over the course of her illustrious career, she has treated a myriad of animals, from the tiniest of hamsters to the grandest of Great Danes. Her journey hasn't just been about treating illnesses or performing surgeries; it's been about connecting with the animals and understanding their stories. Miami, with its vibrant culture and diverse pet population, has provided Dr. Martinez with countless tales of joy, heartbreak, and wonder. Every pet has a story, and every owner has a bond with their furry friend that's unique and profound. Recognizing the wealth of experiences she's amassed and the lessons she's learned, Dr. Martinez decided to start a blog apoquel.org delves into her adventures as a Miami vet. Through her posts, readers get a glimpse of the challenges faced in the veterinary world, the breakthroughs in treatments, and the heartwarming moments that make the job worthwhile. "Apoquel" isn't just a blog; it's a testament to Dr. Martinez's dedication to her profession and her love for the animals she treats. Through her words, she hopes to inspire future veterinarians, educate pet owners, and share the magic that happens when humans and animals connect.
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