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Arthritis » Joint inflammation in dogs


Arthritis » Joint inflammation in dogs

Arthritis is an inflammation of the joints in dogs, often painful and accompanied by swelling, warmth and lameness. It should be checked by a vet. Alongside this, targeted nutritional supplementation with joint nutrients such as glucosamine, chondroitin, green-lipped mussel, MSM, collagen, devil's claw and boswellia can meaningfully support the normal joint function and positively accompany your dog's everyday life.

Arthritis in dogs: Causes, forms, and symptoms

Arthritis (Greek: ἀρθρῖτις arthrítis, plural: arthritides; from arthron "joint, limb" and the ending -itis to describe inflammation) is an inflammatory disease of the joints that can lead to pain, restricted movement, and unusual behavior in dogs. Unlike osteoarthritis, which is a form of joint wear and tear, inflammation is the primary cause of arthritis. It can be acute or chronic and affects dogs of all ages.

Typical symptoms include:

  • Swelling of the joint
  • Heat and sensitivity to pain
  • Stiff or altered gait
  • Decreased mobility

Depending on the cause, different forms of arthritis are distinguished.

Possible causes of arthritis & symptom check


Interactive Symptom Check

Select the symptoms you observe in your dog. You will immediately receive an initial assessment. This tool does not replace veterinary advice!

Causes: The three main types of arthritis in dogs

  1. Bacterial arthritis: This form occurs when bacteria enter the joint – perhaps through an injury, surgery, or via the bloodstream. The inflammation often leads to the formation of pus, which can damage the joint cartilage. Bacterial arthritis often occurs in people with a weakened immune system and is considered an emergency that requires veterinary treatment.
  2. Fungal arthritis: Fungi – especially yeast – can also spread throughout the body and cause inflammation in joints. This form is rarer but also problematic, as it often becomes chronic and places long-term strain on the tissue.
  3. Rheumatoid arthritis: This is a misguided immune reaction. The immune system attacks the body's own tissue – especially the synovial membrane. The result: a restricted supply of important nutrients to the cartilage. If left untreated, this can lead to long-term cartilage degradation.

Observations in dogs

If the dog suddenly walks more stiffly, joints appear swollen, or behavior changes occur (e.g., withdrawal, reluctance to go for walks), joint inflammation may be present. A precise diagnosis is made by a veterinarian – often with the help of blood tests, X-rays, or ultrasound.

Attentive attention to the dog's individual needs, regular exercise, and loving companionship in everyday life can contribute significantly to maintaining your four-legged friend's zest for life, even with age-related changes. Working with experienced professionals and adapting the living environment early on helps ensure the dog has as much comfort and mobility as possible.

You and your dog: Every day with your dog holds both small adventures and big moments. With patience, care, and an open mind for your four-legged friend's needs, you strengthen your bond and provide security. This way, your life together remains full of trust, joy, and shared discoveries—for a wonderful time together.


Heart and Paw


Veterinary expertise at the heart of our team

Dr. med. vet. Sibylle Ott plays a central role in our team at DOG FIT by PreThis®. As an experienced veterinarian with naturopathic expertise, she makes a decisive contribution to the development of our products. Her experience and deep understanding of the needs of dogs flow into many of the formulas we create. She is a valuable asset to our team and to the well-being of many dogs.

Frau Dr. med. vet. Ott
This article is for informational purposes only and does not replace professional advice from a veterinary practitioner or veterinarian. The information is not exhaustive and does not constitute a suitable basis for health-related decisions or self-diagnosis. If you have any questions or concerns, or before administering supplemental feed, consult a veterinary practitioner or veterinarian. Supplemental feed is not intended to cure any disease.