Stiffness Dog 10+ Years Sick

Based on the history you provided, below are possible causes for your dog’s stiffness. Not listed but a necessary consideration for possible cause of general stiffness at this advanced age is systemic cancer. Cancer present virtually anywhere in the body can lead to neurological and muscular pain that can manifest as general stiffness, through a process known as paraneoplastic syndrome. If you still seek further information, please visit our
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Arthritis
Ehrlichiosis
Elbow dysplasia
Hip dysplasia
Medially luxating patella
Lyme disease
Intervertebral disc disease
Rocky mountain spotted fever
Spondylosis