Elderly cats» legs rarely cramp, most leg spasms are from internal disorders or nerve defects. (felinefriendlycare.com)
He argues that «the distinction between internal disorders and external circumstances is increasingly untenable» because the severe stress from living in poverty «can cause learning problems in much the same way that a brain injury or lead poisoning — which are explicitly included as bases for special education eligibility — can cause learning problems.» (harvardmagazine.com)
If your pet shows any of the general signs for more than a few days, a veterinarian should be consulted to rule out other causes such as food allergies, foreign objects or internal disorders resulting from endocrine, pancreas, liver or kidney diseases. (holisticpetinfo.com)