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Dr. Andy
Dr. Andy, Medical Director
Category: Dog Veterinary
Satisfied Customers: 29984
Experience:  UC Davis graduate, emphasis in dermatology, internal medicine, pain management
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Our rescue dog, Buddy will yelp in pain once in awhile when

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Our rescue dog, Buddy will yelp in pain once in awhile when nothing is around him, he is sitting still and there seems to be no reason. The he will limp toward us holding up his right rear leg and want to be comforted. What could be causing this? and what can we do for him.
Welcome! My name isXXXXX am a 2003 graduate, and currently a Medical Director of a veterinary hospital.

I am sorry to hear about this concern for Buddy.

The most common injuries for a hind leg include:
1. A partial or complete tear of the cruciate ligament in the knee (stifle).
Cruciate Ligament Tear
2. Exacerbation of degenerative joint disease (arthritis) in the knee or hips
Hip Arthritis
Note: Hip dysplasia is early age arthritis due to genetics, whereas, many older pets can have age-related arthritis changes in their joints due to age.
3. Any other soft tissue injury (tendon, muscle, ligament)
4. A fracture
5. A paw trauma, fractured nail, or a foreign body in the paw.

Now, some of these problems listed above are not issues that would be intermittent.
Something important is missing from the list.

For an intermittent limp, something that could cause a sudden onset of yelping, that can also quickly go away would be a medial patellar luxation. This is when the knee cap pops in/out of place.

So, definitely, this is worth a vet visit. if the vet is good at doing basic orthopedic examinations, they may be able to easily tell if the knee cap has laxity and is moving in/out.

That's where I would start. With just a good orthopedic examination, and see what a vet can find. What to do for him? No indication, yet, to start medication.

Start with a exam and maybe some x-rays.

I hope that information has been helpful.
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Dr. Andy

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