Cognitive Dysfunction in Dogs
Senior don't only age physically – they age mentally, too.
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Unfortunately, as our favorite furry friends reach their later years in life, their mental function can decline, just as ours can. Canine cognitive dysfunction, or CCD, is caused by chemical and physical changes that affect the brain function of older dogs. Like people with Alzheimer’s, CCD usually comes on slowly and gradually gets worse. Unfortunately, there is no known cause of this condition.
While some decline in mental function is expected in aging pets, some dogs seem more affected than others. Common symptoms of CCD can include disorientation, changes in your dog’s interaction with family members and other pets, changes in sleeping habits, and increased bathroom accidents. The most common complaints of family members whose dogs suffer from CCD are that the pooch wanders at night and forgets her housetraining.
Zoetis, a pharmaceutical company that manufactures a medication to treat CCD, provides an excellent checklist to help you determine if your dog is showing signs of CCD. This checklist can be found at the CDS In Dogs website.
If you feel your dog has any of the symptoms of CCD, your veterinarian will most likely recommend the following:
- A complete physical and neurological exam
- Chemistry tests to evaluate kidney, liver, and pancreatic function, as well as sugar levels
- Antibody tests to identify if your pet has been exposed to tick-related or other infectious disease
- A complete blood count to rule out blood-related conditions
- Electrolyte tests to ensure your dog isn’t dehydrated or suffering from an electrolyte imbalance
- Urine tests to screen for urinary tract infection and other disease, and to evaluate the ability of the kidneys to concentrate urine
- Endocrine tests, including thyroid and adrenocortical testing, to evaluate certain levels of hormones in the blood
- An ECG to screen for an abnormal heart rhythm that may indicate underlying heart disease
- Blood pressure screening
- Radiographs (x-rays)
Because CCD often affects older dogs, these screening tests are extra valuable because they can also help uncover other common conditions or diseases your older pet may have.
Treatment for your dog may include the following:
- Drug therapy
- Specific treatment of any concurrent illness
- Behavior modification
- Establishing a routine exercise schedule
Unfortunately, there is nothing you can do to prevent the mental decline of your dog. Regular visits to your veterinarian and routine preventive care screening can help address any concerns early. For more information about this or any other health concerns you may have about your pet, be sure to contact your veterinarian—your key resource for information about the health and well-being of your best friend.