Mirtazapine for Cats

Mirtazapine is a medicine often given to cats to help them eat better and feel less nauseous, especially if they have long-term health problems like kidney disease or cancer. Here’s an easy-to-understand guide about Mirtazapine for cats.

What Is Mirtazapine Used For?

  • Increasing Appetite: Helps cats eat more if they’re not eating enough.
  • Reducing Nausea: Makes cats feel less sick to their stomachs.
  • Weight Gain: Helps cats gain weight if they’ve lost too much.

How to Give Mirtazapine to Your Cat

  • Dosage: Usually, the dose is between 1.88 mg and 3.75 mg, given every 1 to 2 days. Your vet will tell you the exact amount.
  • Forms: Mirtazapine comes as a pill or a gel that you put on the cat’s ear.
  • Administration: Pills can be given directly or mixed with food. For the gel, put the prescribed amount on the inside of the cat’s ear (make sure the ear is clean).

Benefits of Mirtazapine

  • Better Eating: Helps cats feel hungrier and eat more food.
  • Less Nausea: Reduces the feeling of nausea, making cats more comfortable.
  • Improved Health: By eating more and feeling less sick, cats can feel better overall.

Possible Side Effects

  • Common Side Effects: More meowing, being very active, feeling sleepy, or having an upset stomach.
  • Serious Side Effects: Rare but serious side effects include symptoms of serotonin syndrome (such as shaking, fast heartbeat, high blood pressure). If you see these, contact your vet immediately.

Important Tips

  • Monitoring: Keep an eye on your cat, especially at the beginning of treatment. Report any unusual behavior to your vet.
  • Precautions: Be careful if your cat has liver, kidney, or heart problems. Also, tell the vet about any other medicines your cat is taking.

Drug Interactions

Mirtazapine can interact with other medications. Always check with your vet before giving your cat new treatments to avoid problems.


Mirtazapine can help cats who are not eating well or are feeling sick. It’s important to follow the vet’s instructions and watch your cat closely for any side effects. This way, your cat can safely benefit from the medicine.

For more details, talk to your vet or check reliable veterinary sources.


  1. Veterinary Partner: Mirtazapine
  2. PetMD: Mirtazapine for Cats
  3. FDA Information on Mirtazapine

This simple guide aims to help you understand how to use Mirtazapine for your cat effectively and safely.

Leave a Reply

Your email address will not be published. Required fields are marked *