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Ask Dr. Michael Salkin Your Own Question
Dr. Michael Salkin
Dr. Michael Salkin, Veterinarian
Category: Cat Veterinary
Satisfied Customers: 24412
Experience:  University of California at Davis graduate veterinarian with 44 years of experience.
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My cat was prescribed 1/4 of 15mg mirtazapine as an appetite

Customer Question

my cat was prescribed 1/4 of 15mg mirtazapine as an appetite stimulant. He is hiding and purring loudly. Looks very uncomfortable. How long does this pill last, should he get immediate attention?
Submitted: 1 year ago.
Category: Cat Veterinary
Customer: replied 1 year ago.
I can't wait any more. Where is my help?
Customer: replied 1 year ago.
Why isn't anyone answering my question? do I need to go to the emergency vet?
Expert:  Dr. Michael Salkin replied 1 year ago.
Aloha! You're speaking with Dr. Michael Salkin
I'm sorry that your question wasn't answered in a timely manner. Mirtazapine appears to be well tolerated in cats. Besides the desirable side effect of appetite stimulation, other currently reported side effects include drowsiness/sedation, vocalization, increased affection, hypotension, and tachycardia (increased heart rate). In healthy cats, after dosing at 3.75 mg as was done in this case, the median elimination half-life was 15.9 hours which is compatible with 24 hour dosing.
I don't see the need for an ER visit although I do understand that he is likely to feel "strange". Please respond with further questions or concerns if you wish.
Expert:  Dr. Michael Salkin replied 1 year ago.
Hi,

I'm just following up on our conversation about your pet. How is everything going?

Dr. Michael Salkin