Q. My dog is a 6 mo. old Chihuahua he limps in his left rear leg but not all the time and not sore to touch it started about 10 days ago
DAVID ELBEZE, DVM, MRCVS
A. The most common condition causing this symptom in Chihuahuas is patelar luxation - basically it's the knee cap going out of place,
It's not always advise to opt to surgeries in these conditions as it is not always a painful condition, it just causes a limp in some cases.
I advise taking him to the vet in order to confirm the possible diagnosis and decide together with him what is the best thing to do.