How much mirtazapine to a cat

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Are you wondering about the right dosage of mirtazapine for your feline friend?

Contact your veterinarian for expert advice on how much mirtazapine is safe and effective for your cat’s needs.

What is mirtazapine?

Mirtazapine is a medication commonly prescribed for cats to help stimulate their appetite. It belongs to a class of drugs known as tetracyclic antidepressants, but in cats, it is primarily used to combat nausea and improve their interest in food. Mirtazapine works by affecting neurotransmitters in the brain, such as serotonin and histamine, which can help increase appetite in cats who are not eating well.

Main Uses: Stimulates appetite, treats nausea
Form: Oral tablet
Administration: By mouth, usually once a day
Available Dosage: 15mg, 30mg tablets
Precautions: Avoid use in cats with liver disease or certain medications


Mirtazapine has several benefits when used in cats, with one of the main advantages being its ability to stimulate appetite. This can be especially helpful for cats that are not eating enough or have a decreased appetite due to various medical conditions or stress. By increasing the cat’s appetite, mirtazapine can help improve their overall health and well-being.

In addition to its appetite-stimulating properties, mirtazapine can also have a calming effect on cats, making it useful for managing stress and anxiety. This can be particularly beneficial for cats that are experiencing behavioral issues or are in unfamiliar or stressful situations.

Improves appetite in cats

Improves appetite in cats

Mirtazapine is known for its ability to improve appetite in cats. This medication stimulates the appetite by affecting certain neurotransmitters in the brain, which can help cats who are not eating enough or have a reduced appetite due to various health conditions.

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How it works

Mirtazapine works by blocking the reuptake of serotonin and norepinephrine in the brain, which leads to an increase in the levels of these neurotransmitters. This action can stimulate the appetite and help cats regain their interest in food.

Benefits of mirtazapine for cats:
Increases appetite
Helps with weight gain
Improves overall quality of life

It is important to consult with a veterinarian before giving mirtazapine to your cat to determine the appropriate dosage and treatment plan.


When it comes to mirtazapine dosage for cats, it’s essential to follow the veterinarian’s instructions carefully. The typical recommended dosage of mirtazapine for cats is 1.88 mg (1/4 tablet) every 72 hours. However, the dosage may vary based on the cat’s weight and condition, so it’s crucial to consult with a vet for the correct dosage.

Overdosing with mirtazapine can lead to serious health issues, so it’s crucial not to exceed the prescribed dosage. If a dose is missed, it’s best to give the missed dose as soon as possible but skip it if it’s almost time for the next dose to prevent double dosing.

Administration of Mirtazapine to Cats

Administering mirtazapine to cats is a simple process that can be done at home. Follow these steps to ensure correct dosage and safe administration:

  1. Ensure that the mirtazapine tablets are prescribed by a veterinarian and are specifically meant for feline use.
  2. Weigh your cat to determine the appropriate dosage. The typical starting dose of mirtazapine for cats is 1.88mg (1/4 of a 7.5mg tablet) given once every 24 hours. Dosage may vary based on the cat’s weight and condition, so consult your vet for guidance.
  3. Administer the medication on an empty stomach, preferably in the morning. It is important to give mirtazapine to your cat before feeding to maximize its appetite stimulating effects.
  4. Place the tablet on your cat’s tongue or hide it in a small amount of wet food to encourage consumption. If your cat refuses to take the medication voluntarily, you may need to gently open their mouth and place the tablet at the back of the throat to ensure they swallow it.
  5. Monitor your cat after administering mirtazapine for any signs of adverse reactions or side effects. If you notice any unusual behavior or symptoms, contact your veterinarian immediately.
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Administering mirtazapine to your cat is a simple process that can help improve their appetite and overall well-being. Here’s how to give mirtazapine to your cat:

1. Consult your veterinarian to determine the appropriate dosage for your cat based on their weight and condition.

2. Mirtazapine is typically available in pill form. You can administer the pill directly to your cat by placing it in their mouth and encouraging them to swallow. Alternatively, you can crush the pill and mix it with a small amount of food to make it more palatable.

3. Make sure your cat consumes the entire dose of mirtazapine to ensure they receive the full benefit of the medication.

4. Monitor your cat for any signs of adverse reactions or side effects after administering mirtazapine. Contact your veterinarian if you notice any unusual symptoms.

By following these simple steps, you can ensure that your cat receives the appropriate dose of mirtazapine and enjoys the benefits of improved appetite and health.

How to give mirtazapine to a cat

When giving mirtazapine to a cat, it is important to follow your veterinarian’s instructions carefully. Mirtazapine is usually available in tablet form, and the dosage will be determined based on your cat’s weight and condition.

Here are some general guidelines for giving mirtazapine to your cat:

  1. Make sure your hands are clean before handling the medication.
  2. Place the tablet in a pill pocket or a small amount of your cat’s favorite food to mask the taste.
  3. Offer the treat containing the medication to your cat, making sure they eat it completely.
  4. Do not force the medication if your cat is unwilling to take it. Consult your vet for alternative administration methods if needed.
  5. Keep the medication out of reach of children and other pets.
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If you have any concerns or questions about giving mirtazapine to your cat, don’t hesitate to contact your veterinarian for guidance.

Side Effects

While mirtazapine can be beneficial for improving appetite in cats, it is important to be aware of potential side effects that may occur. Common side effects of mirtazapine in cats include:

  • Increased sedation
  • Behavioral changes
  • Restlessness
  • Decreased blood pressure
  • Hyperactivity

If you notice any of these side effects in your cat after administration of mirtazapine, it is important to contact your veterinarian for guidance. In some cases, dosage adjustments may be necessary to minimize side effects while still providing the desired appetite-stimulating effects.