Was he out running around lately? He may have torn a ligament or something I'm not a vet so I can't give you any medical advice. But I had a lab/rott mix (she has passed) that went running around the yard and she apparently slipped because she did start limping all the time on her left leg as well ironically however when I took her to no more homeless pets they said she had torn the ligaments in her knee. No more homeless pets does go by income so if you are tight on money they will work with you I have been in there in tears and left not paying an office visit and a very low bill. I would make an appointment and go early as possible because the weight can be extremely long. Going early will get you in quicker I have gone to the one on Cassat
If hes already registered in Duval i believe an appointment is only 30 dollars, im sure he can be seen there
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