When Senior Dogs Start Forgetting: What Pet Owners Need to Know About Cognitive Dysfunction Syndrome (CDS)

Have you noticed your senior dog starting to exhibit unusual behaviors, such as walking in circles aimlessly, sitting idly as if unsure of what to do, or even forgetting where their bathroom or food bowl is? If your dog shows these signs, it may not just be a normal part of aging, but rather a sign of Cognitive Dysfunction Syndrome (CDS), a condition affecting older pets.

What is CDS?
Cognitive Dysfunction Syndrome (CDS) is a condition that results from the degeneration of the nervous system and brain as pets age. This syndrome leads to issues with perception, behavior, and response to surroundings, similar to Alzheimer’s disease in humans.

Signs to Watch For
If your pet is over 7 years old and starts displaying behavioral changes, here are some symptoms that could indicate they are suffering from CDS:

๐ Forgetfulness – They may walk into a room and forget why they’re there or fail to recognize where their food bowl is.
๐ Disorientation – Your dog might bump into walls or get stuck in corners, unaware of how to get out, or walk in circles repetitively.
๐ Waking up in the middle of the night – Their sleep cycle may shift, where they’re awake at night and sleep during the day.
๐ Slower responses – When you call their name, they might not respond right away or may temporarily forget who you are.
๐ Unusual behaviors – They may sit still for unusually long periods or bark without any clear reason.
๐ Increased anxiety – They might start having accidents in the house, even if they were previously house-trained, as if they don't remember where to go.


What Causes CDS in Dogs?
This condition arises from the gradual degeneration of brain cells due to reduced blood flow to the brain, causing slower brain function. It can also be triggered by factors such as:

๐ Aging
๐Neurotransmitter imbalances in the brain
๐ Accumulation of toxins due to oxidative stress


How to Care for a Pet with CDS
While CDS is not curable, proper care can help slow down its progression and improve your pet's quality of life:

๐ Stimulate their brain with activities – Engage them with brain games, teach them new commands, or give them toys that stimulate their mind.
๐ Control their diet and provide beneficial supplements – Foods rich in omega-3 fatty acids, vitamin E, and antioxidants can help protect brain cells.
๐ Create a safe environment – Remove obstacles from your home and avoid frequent changes in furniture.
๐ Offer emotional support – Give them affection, such as petting, cuddling, or talking to them often, to reduce stress.
๐ Consult with a veterinarian – If symptoms worsen, your vet may suggest medication to help slow the disease and manage behaviors.

CDS may seem like a minor issue in its early stages, but if left untreated, it can significantly affect your pet’s quality of life and cause stress. If you notice any suspicious signs, it’s important to consult with a veterinarian for proper care. Even though your pet may start forgetting things, their love for you remains unchanged.

If you suspect your pet might be showing signs of cognitive dysfunction, Erawan Pet Hospital is here to offer expert advice and personalized care with our team of veterinarians specializing in neurology and pet behavior.