What is Mirtazapine for Cats?
Mirtazapine, manufactured by multiple pharmaceutical companies, is an FDA-approved medication for appetite stimulation and nausea management in cats, particularly under the brand name Mirataz (a transdermal gel). Initially developed as an antidepressant for humans, it is widely used in veterinary medicine to improve the quality of life in cats suffering from conditions like chronic kidney disease, gastrointestinal disorders, or cancer.
Active Ingredients
Mirtazapine, the active ingredient, alters serotonin and histamine receptor activity to stimulate appetite and reduce nausea. Its receptor-blocking action also minimizes vomiting and gastrointestinal discomfort.
How to Use Mirtazapine for Cats
Form Options: Available as oral tablets, a transdermal gel (Mirataz), or liquid formulations.
Dosage: Tablets are given every 24–48 hours; Mirataz is applied once daily.
Technique: For Mirataz, apply a small amount to the inner ear flap (pinna) after cleaning the area.
Storage: – Store at room temperature away from moisture and heat. – Keep out of reach of children and pets.
Mirtazapine Indications & Contraindications
Indications – Stimulates appetite in cats experiencing anorexia. – Reduces nausea and vomiting in chronic illnesses like renal disease.
Contraindications – Not recommended for cats with hypersensitivity to mirtazapine. – Use caution in cats with liver or kidney issues or those on serotonergic drugs (to prevent serotonin syndrome).
Effectiveness
Mirtazapine is highly effective for appetite stimulation, with studies confirming significant appetite improvements in up to 80% of treated cats. Mirataz’s transdermal application has also been clinically proven to increase body weight.
Adverse Reactions
Common side effects include drowsiness, increased vocalization, or hyperactivity. Rare but severe reactions include serotonin syndrome (symptoms: confusion, rapid heart rate, tremors).
When to Call a Veterinarian Contact your veterinarian immediately for symptoms like restlessness, vomiting, or tremors.
Dosage & Safety Information
General Dosage Guidelines – Cats 6–10 lbs: 1.88 mg tablets every 24–48 hours (consult vet). Mirataz dosage is typically one application per day.Safety Tips – Avoid overdosing. – Check expiration dates before use.
What Happens if I Miss a Dose?
Administer the missed dose as soon as possible unless it’s close to the next scheduled dose. Never double-dose.
Can it Be Used on Kittens?
Mirtazapine is generally safe for kittens older than 6 weeks, but dosages must be adjusted by a veterinarian.
Can it Be Used on Pregnant Cats?
Use caution with pregnant cats. Consult your veterinarian to evaluate risks versus benefits.
Mirtazapine Reviews
Users praise mirtazapine for significantly improving appetite and weight gain in cats. Mirataz’s topical application is especially appreciated for ease of use. Mild side effects like excessive vocalization are reported but manageable.
More Questions about Mirtazapine
Can it be combined with other medications? Yes, but only with veterinary guidance to avoid interactions. What forms are available? Oral tablets and Mirataz transdermal gel, ideal for cats that resist oral administration.
Mirtazapine Cost
Mirtazapine is affordable, with generic and branded options. Mirataz transdermal gel may cost slightly more, ranging from $10–$50 depending on size and formulation.
Where to Purchase Mirtazapine
It can be purchased with a prescription from veterinary clinics, online pharmacies (e.g., Chewy, 1-800-PetMeds), and specialty compounding pharmacies. Ensure prescriptions and pharmacy reputations are verified.
This comprehensive overview of mirtazapine highlights its uses, administration, and considerations. Always consult your veterinarian for personalized care for your cat.