Updated On September 23rd, 2025
Pet's info: Cat | Mixed Breed | Male | neutered | 2 years and 6 months old | 15 lbs
I am giving my 3 year old male neutered cat Zyrtec at 5 mg. dosage to help with his sneezing. The Zyrtec helps but now he seems to be breathing a bit through his mouth. He is eating and has no blood or discharge. How else can I help him as we fly home to Canada on Friday.
1 Answer
Published on March 17th, 2020
Poor guy. He may be breathing through his mouth because his upper airway is severely congested. He really needs a short course of antibiotics prescribed by your vet to clear this up. Most these infections are originally viral but then get secondary bacterial infections, which is why antibiotics are needed. Until you can get him in to your vet you can help him breathe a bit better by using a humidifier or letting him sit in the bathroom for 5-10 mins with the hot shower running so that the steam infiltrates his airway. Also, you can start anti-viral supplements to help boost his immune system. Lysine powder or gel is an anti-viral for cats that is readily available over the counter, without a prescription, from just about any pet store. Untimately however, he will need to see your vet to help resolve this issue. You can continue the Zyrtec as well if it seems to be helping. I hope that your pet Bentley gets well soon from his upper airway infection. Best of luck and take care. : )
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