Why Your Cat Breathes Loudly While Sleeping
📝 Summary
A loud purr or snore during sleep is often just contentment, but pair it with sneezing or coughing and a respiratory infection is likely — narrowed airways make breathing noisy. Mild cases respond to doxycycline, while severe ones need nebulization, fluids, and a vet's diagnosis.
1 Normal Noise vs. Infection
If the only sign is a big purr, the cat is probably just comfortable — no worry needed. But add frequent sneezing or coughing and infection becomes the suspect. Infection thickens airway secretions and blocks the nose, which is what makes the breathing loud. A cat-specific doxycycline can help; if it does not, see the vet.
2 Signs of a Respiratory Infection
Expect frequent sneezing, runny nose, watering eyes, and more discharge, with some cats also coughing, feverish, off their food, dull, or hoarse. Treat early with the right oral medication; severe cases need nebulization and fluids. The infection often starts as a cold or feline rhinotracheitis, so the exact cause must be diagnosed first.
3 Treatment
Use symptomatic and supportive care. In acute cases, get fluids and nutrients in promptly, and adding a thymus-peptide supplement during fluid therapy can lift immunity. Throughout, clear the nose and eyes — a saline spray or drops clears the purulent discharge. Loud breathing alone with no other signs is nothing to fear.
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