Cats will purr when breathing or feeling unwell or in pain due to illness or injury. A cat's breathing purrs or indicates comfort. Originally, the purring sound made by a cat is used to tell the mother cat that I am fine and healthy. The cat breathes with purring or nasal congestion.

Veterinarians have confirmed that cats will purr when they feel uncomfortable. This kind of purring sound occurs in many cats lying on the medical table. Cats will purr when they are in pain due to illness or injury. This way it is most likely that it is trying to soothe itself and make itself more comfortable.

The purr of a cat expresses contentment and comfort. Originally, the purring sound of a cat was used to tell the mother cat that I am fine, healthy, and energetic. The mother cat will also feel reassured about the kitten by receiving the purring sound. When a kitten grows up, its purring not only expresses satisfaction, but also extends to: giving me food, playing with me, touching me, etc.

When a cat suffers from nasal congestion, it is likely to purr due to respiratory discomfort. Feline rhinotracheitis is a respiratory disease also known as infectious rhinotracheitis. The initial symptoms include an increase in body temperature or the onset of fever. The cat's nasal mucus will turn into a thick yellow-green color, accompanied by rising body temperature, coughing, decreased appetite, and excrement around the eyes. If this symptom occurs, you need to be sent to a doctor for treatment in time, otherwise it may be life-threatening.

Cats snore a lot, and this kind of snoring also brings many benefits to cats. According to research, the frequency of the sound a cat makes when snoring is between 25-150HZ. The audio in this frequency band has a certain effect on promoting wound healing, improving bone strength, and can also restrict the growth and recovery of muscles and tendons. At the same time, when a cat snores, the cat's snoring will also secrete hormones that have similar effects to painkillers, making the cat's body relaxed. Owners should pay attention to whether the cat is injured and is healing itself.