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Panostitis (Growing Pains, Periostitis) in Dogs

Occurrence: common
Location of illness: Legs

Author: Dr. med. vet. Gisa Löwe | Last modified: 06.11.2025

Panostitis, also known as growing pains or periostitis, is an inflammatory condition that mainly affects the long bones of young dogs. It leads to intermittentIntermittent refers to something that occurs at intervals or starts and stops temporarily, such as intermittent Pain that comes and goes. Pain and Lameness, which usually disappear on their own when the dog is fully grown.

The most important facts at a glance

Panostitis, also known as growing pains or periostitis, is a condition that mainly occurs in young, fast-growing dog breeds such as German Shepherds, Labrador Retrievers, and Golden Retrievers. It typically affects dogs between the ages of five and 18 months. The exact causes are still unclear, but it is suspected that a combination of genetic factors, nutrition, and environmental conditions plays a role. The condition leads to Pain and Swelling in the legs and can cause shifting leg lameness. Physical examinations and X-rays are used for diagnosisA diagnosis is the identification of a disease or condition by its symptoms and/or results from diagnostic tests. It is the first step in the management and treatment of patients. to identify characteristic changes in the bone.

Treatment focuses on relieving the symptoms, as Panostitis usually disappears on its own when the dog is fully grown. Pain relievers and rest are important components of therapyTherapy refers to the treatment of diseases or disorders with the aim of alleviating symptoms, promoting healing, or improving quality of life. Therapies can be medicinal, surgical, or through other medical interventions.. A balanced diet can also help to alleviate symptoms. In severe cases, additional measures such as physiotherapyVeterinary physiotherapy encompasses a range of treatment methods aimed at improving the mobility and well-being of animals through exercise, massage, and other manual techniques. or alternative treatments may be considered. The prognosisThe prognosis is the prediction of the likely course and outcome of a disease based on the general state of health, the nature of the disease, and the response to treatment. It can provide information on how a disease is expected to develop. is usually good, as most dogs recover completely without suffering long-term complications.

Preventive measures include a balanced diet and avoiding excessive physical exertion. Regular veterinary check-ups are important to monitor the dog’s growth and health. Research focuses on investigating genetic predispositions and nutritional factors in order to develop better preventive and therapeutic approaches.

Causes

Panostitis often occurs in young, fast-growing dog breeds, especially in large and giant breeds such as German Shepherds, Labrador Retrievers, and Golden Retrievers. The condition typically affects dogs between the ages of five and 18 months, but can rarely occur in older animals.

The exact causes of panostitis are not yet fully understood. Several factors are believed to contribute to the development of the condition. One theory suggests that it is an inflammation of the endosteum, a layer of cells that covers the inside of bones. This inflammation can be caused by an overproduction of bone cells and increased blood flow, leading to Pain and Swelling.

Another possible factor is genetic predispositionA predisposition is an innate inclination or susceptibility of an organism to certain diseases or conditions. In dogs and cats, there may be a genetic predisposition to certain conditions such as hip dysplasia or certain heart diseases.. Some breeds appear to be more frequently affected, suggesting a hereditary component. In addition, there is evidence that nutrition, especially excessive calciumCalcium is a mineral that is essential for building and maintaining strong bones and teeth. It also plays a role in blood coagulation, nerve transmission, and muscle contraction. or protein intake, may play a role. Environmental factors such as stressStress refers to the state of an organism reacting to external stimuli or demands. In veterinary medicine, stress can have physical or psychological effects on animals, impacting their health and well-being. or physical overexertion could also influence the development of the disease.

Symptoms

Very common symptoms:

The symptoms of panostitis are mainly characterized by Lameness, which occurs suddenly and often changes. One day a dog may have problems with its left front leg and the next day with its right hind leg. This shifting leg lameness is a characteristic feature of the disease.

Affected dogs often show signs of Pain when pressure is applied to the affected bones. This can cause the dog to be less active, play less, or even start to limp. Some dogs may also show Fever, loss of appetite, and general weakness. The symptoms can vary in intensity, from mild to severe, and tend to occur in episodes.

Diagnosis

To diagnose panostitis, the veterinarian will first perform a thorough physical examination and take the dog’s medical historyThe medical history is the systematic collection of a patient's medical history through questioning. It includes information about previous illnesses, treatments, allergies, and lifestyle habits.. The shifting leg lameness between the legs can be an important indicationIndication refers to a valid reason or rationale for using a specific treatment, medication, or medical procedure. It is based on the diagnosis and the patient's clinical condition. of the condition.

X-rays of the affected bones are a crucial diagnostic tool. On the X-rays, the veterinarian can recognize characteristic changes in the bone interior, such as increased density or spotted patterns in the medullary cavity of the bones. These changes are typical of panostitis and help confirm the diagnosisA diagnosis is the identification of a disease or condition by its symptoms and/or results from diagnostic tests. It is the first step in the management and treatment of patients..

In some cases, additional tests may be necessary to rule out other possible causes of the symptoms, such as infections or traumaA trauma refers to a physical injury or damage caused by external force. Traumas can range from simple cuts to severe multiple injuries.. Blood tests can also be performed to check the dog’s general health and rule out other conditions.

Therapy

The treatment of panostitis focuses primarily on relieving the symptoms, as the disease itself is self-limitingSelf-limiting conditions are conditions that resolve on their own without medical intervention. In dogs and cats, mild viral infections or gastrointestinal disturbances can often be self-limiting. and usually disappears when the dog is fully grown. Pain relievers and anti-inflammatory drugsAnti-inflammatory drugs are medications that reduce inflammation. They can be divided into nonsteroidal anti-inflammatory drugs (NSAIDs) and corticosteroids and are used in dogs and cats to reduce Inflammatory conditions and Pain. can be prescribed to relieve the Pain and improve the dog’s quality of life.

Rest and recuperation are also important components of treatment. Excessive physical activity should be avoided to minimize stressStress refers to the state of an organism reacting to external stimuli or demands. In veterinary medicine, stress can have physical or psychological effects on animals, impacting their health and well-being. on the affected bones. A balanced diet can also help support growth and alleviate symptoms.

In severe cases, or if symptoms persist despite treatment, the veterinarian may consider further therapeutic measures. These include physiotherapyVeterinary physiotherapy encompasses a range of treatment methods aimed at improving the mobility and well-being of animals through exercise, massage, and other manual techniques. or alternative treatments such as acupuncture, which can help relieve Pain.

Prognosis and follow-up care

The prognosisThe prognosis is the prediction of the likely course and outcome of a disease based on the general state of health, the nature of the disease, and the response to treatment. It can provide information on how a disease is expected to develop. for dogs with panostitis is generally good. Most dogs recover completely when they reach adulthood, as the condition is usually self-limitingSelf-limiting conditions are conditions that resolve on their own without medical intervention. In dogs and cats, mild viral infections or gastrointestinal disturbances can often be self-limiting.. However, symptoms can last for several months to a year before they disappear completely.

While the course of the disease may last longer in some dogs, panostitis rarely leads to permanent damage or long-term complications. With appropriate treatment and care, most dogs can lead a normal, active life.

Prevention

There are no specific measures to prevent panostitis, as the exact causes are not yet fully understood. However, some general recommendations can help minimize the risk.

A balanced diet is important to support the dog’s growth and prevent excessive Weight gain. A diet with appropriate amounts of calciumCalcium is a mineral that is essential for building and maintaining strong bones and teeth. It also plays a role in blood coagulation, nerve transmission, and muscle contraction. and proteinProteins are large molecules made up of amino acids and play an essential role in almost all biological processes. They are necessary for building body tissue, the function of the immune system, and as enzymes for metabolic reactions. can help prevent the development of the disease or reduce its severity.

Regular veterinary check-ups are important to monitor the dog’s growth and general health. A veterinarian should be consulted at the first signs of Lameness or Pain to enable early diagnosisA diagnosis is the identification of a disease or condition by its symptoms and/or results from diagnostic tests. It is the first step in the management and treatment of patients. and treatment.

Avoiding excessive physical exertion and stress can also help prevent the occurrence of panostitis. Young dogs should not be over-trained or stressed, especially during their growth phases.

Outlook on current research

Panostitis, also known as growing pains or periostitis, is a condition that mainly occurs in young, fast-growing dog breeds. The exact cause of panostitis is not yet fully understood, which makes research in this area particularly important. Current studies are investigating genetic predispositions, as some breeds such as German Shepherds and Golden Retrievers are more frequently affected than others. Researchers are focusing on identifying genetic markers that may indicate a susceptibility to this condition.

Another focus of research is the role of nutrition in the development of panostitis. It is suspected that an excessive intake of calciumCalcium is a mineral that is essential for building and maintaining strong bones and teeth. It also plays a role in blood coagulation, nerve transmission, and muscle contraction. and energy could increase the risk for this condition. Therefore, scientists are investigating how specific nutritional plans affect the growth of young dogs and whether adjusting these plans can reduce the occurrence of panostitis.

In addition, the role of inflammatory conditions in the body is being intensively investigated. Researchers are trying to understand the underlying mechanisms by which inflammation is triggered in bone tissue. This could lead to the development of new treatment approaches that go beyond traditional Pain relief. Experimental therapies are currently being tested that combine anti-inflammatory drugsAnti-inflammatory drugs are medications that reduce inflammation. They can be divided into nonsteroidal anti-inflammatory drugs (NSAIDs) and corticosteroids and are used in dogs and cats to reduce Inflammatory conditions and Pain. with physical therapyTherapy refers to the treatment of diseases or disorders with the aim of alleviating symptoms, promoting healing, or improving quality of life. Therapies can be medicinal, surgical, or through other medical interventions. to alleviate symptoms and promote healing.

The effects of environmental factors are also the subject of research. Scientists are analyzing how stressStress refers to the state of an organism reacting to external stimuli or demands. In veterinary medicine, stress can have physical or psychological effects on animals, impacting their health and well-being., physical activity, and living conditions affect the risk for panostitis. InitialInitial means beginning or at the start. In medicine, it can refer to the first symptoms of a disease or the first phase of a treatment process. results suggest that a balanced balance between exercise and rest periods could be important to minimize the risk.

Overall, the research aims to develop a comprehensive understanding of panostitis in order to promote preventive measures and improve the quality of life of affected dogs. Future studies are expected to pursue interdisciplinary approaches to examine genetic, nutritional, and environmental factors in a holistic framework.

Frequently asked questions (FAQs)

What is Panostitis in Dogs? Panostitis is a painful condition that primarily affects young, fast-growing dogs. It is characterized by an inflammation of the long bones, which leads to Lameness and Pain.
Which dogs are most often affected by Panostitis? Panostitis is particularly common in large dog breeds such as the German Shepherd, Labrador Retriever, and Golden Retriever. It mainly affects dogs between the ages of 5 and 18 months.
What are the symptoms of Panostitis? The most common symptoms include Lameness that can shift from one leg to another, Pain when palpating the long bones, and in some cases Fever and loss of appetite.
How is Panostitis diagnosed? The diagnosisA diagnosis is the identification of a disease or condition by its symptoms and/or results from diagnostic tests. It is the first step in the management and treatment of patients. is usually made through a clinical examination and X-rays, which can show characteristic changes in the affected bones. Blood tests can be performed to rule out other causes.
How is Panostitis treated? Treatment focuses on relieving the Pain and inflammation. Pain relievers and anti-inflammatory drugsAnti-inflammatory drugs are medications that reduce inflammation. They can be divided into nonsteroidal anti-inflammatory drugs (NSAIDs) and corticosteroids and are used in dogs and cats to reduce Inflammatory conditions and Pain. are usually used. Rest and restricted movement are also important to support recovery.
Can Panostitis be prevented? There is no specific preventionPrevention includes measures taken to prevent diseases or injuries. In veterinary medicine, this includes vaccinations, parasite control, and health monitoring., but a balanced diet and avoiding excessive stressStress refers to the state of an organism reacting to external stimuli or demands. In veterinary medicine, stress can have physical or psychological effects on animals, impacting their health and well-being. can help reduce the risk. Regular veterinary examinations are also important to identify potential problems early.
How long does it take for a dog to recover from Panostitis? The duration of recovery can vary, but most dogs recover completely within a few weeks to months. However, there may be recurring episodes until the dog is fully grown.
Are long-term complications to be expected with Panostitis? Panostitis usually does not leave any long-term damage if treated correctly. The condition is self-limitingSelf-limiting conditions are conditions that resolve on their own without medical intervention. In dogs and cats, mild viral infections or gastrointestinal disturbances can often be self-limiting. and in most cases does not affect the dog’s long-term health.
Can a dog be normally active again after Panostitis? Yes, after recovery, dogs can usually be normally active again. However, it is important to monitor the stressStress refers to the state of an organism reacting to external stimuli or demands. In veterinary medicine, stress can have physical or psychological effects on animals, impacting their health and well-being. during the growth phase to avoid relapses.
Is Panostitis contagiousContagious means infectious. Diseases that can easily be transmitted from one animal to another or from animals to humans are referred to as contagious. to other dogs or people? No, Panostitis is not contagiousContagious means infectious. Diseases that can easily be transmitted from one animal to another or from animals to humans are referred to as contagious.. It is an inflammatory condition that is caused by internal factors in the dog’s body and is not transmitted by viruses or bacteriaBacteria are microscopic, single-celled organisms that exist in almost every environment on Earth. Some types of bacteria are beneficial or even essential to life, while others can cause disease..