Purring is one of the most important sounds made by many animals, especially cats. It is a soft and quiet sound made by a cat when it feels comfortable and happy. Sometimes cats use it to express pain and fatigue. It is also a way for a cat to calm itself down from anxiety and stress. Therefore, it is a versatile sound that expresses many of the feelings of cats. This sound may be a sign of pleasure, and it contributes to relaxing the cat’s muscles, activating its bones, and making them active and growing rapidly. Thus, this sound has become a means of survival because it helps in rapid growth and recovery from diseases. A single cat purrs at a frequency ranging from 25 to 150 Hz per day.
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Possible reasons for purring: happiness, communication, pain relief
There are some possible reasons for cats to purr on a daily basis, and this sound may express many of the feelings of cats, and its reasons are as follows:
- Happiness: Cats purr continuously during their times of happiness, and express their feelings that they are going through to communicate their needs to those around them, and cats make this sound when their eyes are half-open and their tail is in a relaxed position, and these signs indicate the cat’s happiness and joy.
- Communication: Newborn kittens hear the purring sound of the mother cat, as newborn kittens are deaf and blind at the beginning of their birth, but with time they hear the sound of the mother’s purring frequencies, and after 3 days, newborn kittens make a purring sound like their mother as a means of direct communication with their mother and siblings, and this sound is also made to express the need for breastfeeding, warmth and safety from the mother, as this sound is one of the most appropriate means of communication between kittens and their mother, and this sound also indicates that the kittens are sending their mother that they are fine, and a quick way to know where they are.
- Pain relief: When a mother cat gives birth, she purrs to calm herself down and endure the pain of childbirth. She makes this sound to relieve pain and speed up childbirth.

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When is purring a sign of a health problem?
There are some signs that should be paid attention to when they are present in cats. These signs may include making repeated sounds such as purring. This sound may indicate a health or psychological problem specific to the cat. The signs of this sound are as follows:
- The cat may make this sound as a result of fractures in its bones and needs immediate care. It tries to make this sound to relieve the pain it feels.
- Cats purr in cases of severe illness in their stomach. They make some sounds such as purring to indicate that they need health care.
- Cats usually purr because they are hungry and need food and drink from their owners. Purring is similar to the sound of young children when crying.
- Cats resort to purring frequently to recover from some diseases, as purring is a way to recover from some things that hurt them, as the frequency of the purring sound causes a set of vibrations and frequencies in the cat’s body, making it recover quickly from (bone pain – breathing problems – weight gain and muscle mass – vocal cord repair – pain, swelling and inflammation relief).
- It is strange that the sound of cats purring treats many health problems that humans suffer from, as studies and research in Britain have proven that many patients suffering from heart attacks and high blood pressure were cured due to hearing the sound of cats purring repeatedly, and the sound of purring is able to give humans a calm and deep sleep, as this sound is relaxing for the nerves, and helps the human body relax to sleep better.
- Cats may make a repeated purring sound to express their feeling of a bad and disturbing psychological state, as they may be sick or infected with infections and skin fungi that hurt them, and thus make this sound to seek help, as they cry like humans when they feel physical pain. Cats purr when they fall from high places to the ground with force, as they inform their owner of a health problem, especially in the bones, and the cat breeder must examine the cat’s body carefully with the help of a veterinarian to find out the reason for this sound.
- Cats resort to purring when they feel hungry and thirsty to tell their owner that they are hungry, as the purring sound is similar to the sound of small children crying, so a plate of food can be quickly provided for the cat to satisfy its hunger.
- The need for affection and tenderness is one of the most important reasons that make cats unhappy, and they express their unhappiness by purring, as they purr repeatedly to tell their owner that they need hugs and hugs, as they are sensitive creatures that must be dealt with gently and calmly, and they are also one of the living creatures that love hugs and a feeling of peace and security.
- The presence of strange guests in the house may cause cats to become upset, afraid and anxious, which makes them purr as an expression of instability and insecurity.
- Cats sometimes purr when they move to a new environment other than the one they are used to, as they feel lonely, alienated and unsafe in their new home, and they purr a lot during sleep to express fear and panic.
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Conclusion:
Cats purr daily to express certain feelings, and the type of these feelings must be determined according to the cat’s behavior and appearance, as this sound may be made to express its happiness, or to express its fear and anxiety, or to express hunger and pain, so the cat must be fully examined, and veterinary care must be provided to it on a regular basis, and food and a suitable place must be provided for it, as they are wonderful and beautiful creatures that can be raised at home, but their nature must be understood and their sounds must be determined, and the reasons for making these sounds must be determined, as purring is a multi-use sound, and the cat makes it to express something it needs, so all methods of care and care must be provided to the cat in the house, and in the event that this sound is made by street cats, food can be provided to them, as this sound may be made due to hunger and severe pain due to lack of food and loss health care