06/02/2025
🩺MEDICAL MONDAY: Feline Upper Respiratory Infections: What You Should Know…
Feline Upper Respiratory Infections are very common in cats and affect the nose, throat, and sinuses- much like the common cold in humans. They’re highly contagious, especially in places where cats are housed closely together, like shelters, catteries, and even multi-cat homes.
The most common culprits behind URIs are feline herpesvirus-1 and feline calicivirus. A bacterial infection, feline chlamydia, can also cause respiratory issues. Cats at the greatest risk include:
• Young kittens
• Elderly cats
• Unvaccinated cats
• Cats living in group environments
How It Spreads:
Even after recovering, cats can shed the virus for life, especially during times of stress. While these viruses don’t survive long outside the body and are easily killed by cleaners like bleach, they can still be unknowingly carried on hands or clothing, making it easy to bring the virus home.
Signs to Watch For:
Symptoms usually appear 2–5 days after exposure and include:
• Sneezing
• Watery eyes
• Nasal discharge
• Fever
• Sinus congestion
Most cats recover in 10–14 days without complications, but it’s important to watch for:
• Loss of appetite (due to difficulty smelling food)
• Eye ulcers
• Mouth sores
• Pneumonia (especially in kittens)
Treatment:
Since most URIs are viral, antibiotics aren’t effective unless there’s a secondary bacterial infection. Care focuses on keeping your cat comfortable and supporting their immune system. Plenty of rest, hydration, good nutrition, and sometimes medications to ease symptoms can help your cat feel better while they fight off the virus.