Causes for dogs suddenly limping:

1. Joint sprain: pain, lameness, swelling, and increased temperature. If the sprain lasts for a long time, the claudication symptoms will be reduced, but the joint capsule's connective tissue and bone will proliferate, and the joint capsule will change from soft to hard.

2. Joint contusion: More serious than joint sprain, the tissues around the joint will be damaged, such as skin abrasions, subcutaneous tissue damage, bleeding, etc., and the dog's swelling, pain, and lameness will be more serious.

3. Abnormal development of the hip joint: Dogs will jump up and down like a rabbit, have difficulty standing up, dare not bear weight on the affected limb, and close their hind limbs when running. This condition mostly occurs in large dogs and young dogs that grow quickly. On dogs.

4. Chondrosis: Dogs have no history of trauma, but they will suffer from lameness and pain, and the lameness will gradually worsen and their muscles will atrophy. If not treated in time, they may develop degenerative joint disease.

5. Degenerative arthritis: Dogs experience increased pain, changes in posture, limited movement of the affected limbs, exudate in the joints, local inflammation, etc. Older dogs are more susceptible to the disease.

Treatment plan for a dog that suddenly walks with a limp:

1. Treatment plan for joint sprain: At the beginning of the disease, cold compress can be applied within 48 hours after the injury. You can use ice packs and cold water baths, and limit the dog’s activities.

2. Treatment plan for joint contusion: similar to joint sprain, but skin abrasions cannot be treated with cold or hot compresses.

3. Treatment plan for hip dysplasia: restrict exercise, control weight, analgesia and anti-inflammation, and take Gulijian beef tablets orally to increase joint synovial fluid and promote recovery.

4. Treatment plan for osteochondrosis: Dogs should be rested. In severe cases, surgery should be performed.

5. Treatment plan for degenerative arthritis: Give the dog appropriate activities to maintain muscle tension and joint flexibility. Eat "bone-building beef tablets" to protect the joints and avoid excessive activities; excessive obesity. The dog needs to lose weight; use analgesics and anti-inflammatory drugs, and if necessary, perform surgery to relieve pain and resume activities.