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Why is my old Chihuahua suddenly anxious, panting, and restless?

Updated On September 23rd, 2025

Pet's info: Dog | Chihuahua | Male | neutered | 12 years and 3 months old | 15 lbs

Hi, my 12 year old Chihuahua just recently started having what seems to be anxiety attacks, not brought on by anything. Panting, restless, pacing, constantly wanting to be held like he is scared, asking to get up into bed than immediately wanting back down, just all around abnormal behavior, havent noticed any change in appetite nor thirst. No idea what to do, we have no money for the vet at the moment, and we're scared. Previously lasted about 1-3 hrs and this one its almost been 24 hours. Ty

2 Answers

Most Helpful Answer

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Answered By Jenna Beyer, DVM, MBA, cVMA

Veterinarian, Certified Veterinary Acupuncturist

Published on November 25th, 2018

These types of behaviors could be caused by pain, anxiety, internal medical issues, cognitive dysfunction from old age, seizures, etc. Without seeing a vet, it is hard to tell what could be going on and I can't really make any specific recommendations. Be available to comfort him. You can also try doggie pheromones like Comfort Zone or Adaptil.

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    Answered By C. Rathjens, DVM

    Veterinarian

    Published on November 28th, 2018

    I would recommend treating him like he has anxiety and seeing if that helps. Young dogs can have signs of anxiety at this early age, although it's not very common - early treatment definitely helps. DAP pheromone plug ins are a great start (make sure to get this brand, not Comfort Zone or another product) and sometimes daily anxiety medications such as prozac are appropriate. You also want to try to make his life as predictable as possible, so think through your routines to increase consistency. I would recommend trying the DAP and predictability first, and then schedule an appointment with your vet to discuss medications or referral to a veterinary behaviorist if you don't see any improvement.

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