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					Originally Posted by ALLlovesLULU  i'm not sure=( we've ruled out lyme disease, the test showed negative (tiggy had 3 ticks on her one month ago) 
but honestly ever since she was a baby, she would always walk kinda funny because she does not put weight on her right hind leg.....now she's limping....  
i am so distraught.........any advice i would be so grateful     | 
 
  Is your Vet sure it is originating from the hip and is he/she familiar with Legge-perthes?  It will show up on the xray if the Vet knows what it looks like.  
Is the Vet sure it isn't the knee either a slipping patella or cruciate ligament?  
http://www.westlakeanimalhospital.co...ture__can.html  
Either the knee problems or Legge-Perthes can manifest itself even once the dog is no longer a puppy.  LP usually will cause a problem at about 5 -7 months but it can become a problem over a year of age.  
Any of these are correctible with surgery.  LP is genetic.