If you share your home with an older dog, you may have noticed that several things seem to change at once. Perhaps they are slower to get up, a bit unsettled at night, or less keen on the walks they used to love. It is easy to put all of it down to age and leave it there.
Joint stiffness and age-related brain changes, often called canine cognitive dysfunction (CCD) or "doggy dementia", are separate subjects. They often meet in the same senior dog, though, and at home they can be surprisingly hard to tell apart. A dog who paces at night could be disoriented, uncomfortable, or both.
This guide explains the signs of each, why a vet visit should come first, and how to support comfort and mobility through your home, your routine and, if your vet agrees, a daily joint supplement. A joint supplement supports joints. It is not a treatment for dementia, and it does not replace a vet's assessment of any change in behaviour.
Choosing joint support for a dog with canine dementia
A dog with dementia still has joints that need looking after, and in older dogs the two often change together. Below, our own MedPaw Hip & Joint Chews Max is set against five other UK joint supplements, based on the key joint actives each one lists.
A joint supplement supports joints, mobility and comfort. It does not address memory or behaviour, so keep those questions for your vet.
Key joint actives in the UK's leading dog joint supplements
| Ingredient | MedPaw Hip & Joint Chews Max | NutraPaw Joint Support | YuMOVE Joint Support PLUS Max | Seraquin Joint | Synoquin EFA | Nutraquin+ |
|---|---|---|---|---|---|---|
| Key joint actives | 6 of 6 | 4 of 6 | 3 of 6 (+1 via mussel) | 2 of 6 | 2 of 6 | 3 of 6 |
| Glucosamine | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Chondroitin | ✓ | ✗ | Via mussel | ✓ | ✓ | ✓ |
| MSM | ✓ | ✓ | ✗ | ✗ | ✗ | ✗ |
| Green-lipped mussel | ✓ | ✓ | ✓ | ✗ | ✗ | ✗ |
| Hyaluronic acid | ✓ | ✓ | ✓ | ✗ | ✗ | ✗ |
| Boswellia | ✓ | ✗ | ✗ | ✗ | ✗ | ✓ |
| Omega-3 | Mussel, flax | Mussel | Mussel, fish oil | ✗ | Krill oil | ✗ |
| Turmeric | ✗ | ✓ | ✗ | ✓ | ✗ | ✗ |
| Collagen | ✗ | ✓ | ✗ | ✗ | ✗ | ✗ |
| Antioxidants | Vit C, Vit E, zinc | Manganese | Vit C, Vit E, manganese | ✗ | Vit C, zinc | Vit C, zinc |
| Format | Soft chew | Tablet | Tablet | Chewable tablet | Tablet or capsule | Capsule |
| Guarantee | 60 days | 90 days | 6 weeks | Not stated | Not stated | Not stated |
✓ = included, ✗ = not listed. Key joint actives: glucosamine, chondroitin, MSM, green-lipped mussel, hyaluronic acid and Boswellia. Taken from each manufacturer's published information, September 2026.
The top row of the table is the quickest read. MedPaw is the only one of the six with all six key joint actives: glucosamine, chondroitin, MSM, green-lipped mussel, hyaluronic acid and Boswellia serrata. The others list between two and four. For a senior dog whose stiffness is easy to miss behind other changes, that broader range is a good reason to choose MedPaw.
It also comes as a soft daily chew, which is simple to fit into an older dog's routine. Daily use for 2 to 3 months is recommended for optimal results, and our 60-day money-back guarantee and Subscribe & Save option help you keep it going alongside your vet's care.
MedPaw contains green-lipped mussel, which is a shellfish, along with rapeseed oil and flax seed. If your dog has a shellfish allergy, needs a low-fat diet, is pregnant or nursing, or is still a growing puppy, check with your vet before starting any joint supplement.
See MedPaw Hip & Joint Chews Max You can read the full ingredient list and feeding guide for your dog's weight on the MedPaw product page.
Why joints and the brain so often change together
Ageing affects the whole dog. A greying muzzle, stiffer joints and, in some dogs, a decline in how the brain works are all part of the same process. Some decline in cognitive function is seen as dogs get older, and in certain dogs it happens faster. That faster change is what vets describe as CCD.
CCD is described as a progressive condition that is common in older animals, and it is linked to degenerative changes in the brain. Joint wear is also common in older dogs, so it is quite normal for a senior dog to have both going on at once.
That is why it helps to think about the whole dog rather than one symptom. Looking at mobility, sleep, mood and habits together gives you and your vet a much clearer picture.
What canine cognitive dysfunction can look like
The signs of CCD tend to build gradually, so many owners only realise how much has changed when they look back over a few months. Commonly described signs include:
- Memory loss, including forgetting familiar places or people
- Restlessness and agitation
- Disorientation, such as getting stuck behind furniture or staring at walls
- Altered behaviour
- Altered sleep patterns, such as being awake and unsettled at night
- Increased barking
- House-soiling in a dog who was previously reliable
- Loss of learned habits
- Changes in how your dog interacts with family members
None of these prove that a dog has CCD. Pain, illness and other medical issues can cause very similar changes, which is exactly why an examination matters.
What ageing joints can look like
Joint changes often show up in everyday movement before they show up in anything dramatic. Many owners first notice small things:
- Hesitating on walks or not wanting to go as far
- Struggling to get up after resting
- Finding it harder to jump into the car or onto the sofa
- Slowing down on stairs
Dogs are good at hiding discomfort, so these signs can be subtle. A dog who is a little stiff may simply seem "quieter" or "lazier" rather than obviously sore.
Why the two are so easy to confuse
Restlessness, disturbed sleep, reluctance to move and reduced interaction can each have more than one cause. A dog who cannot get comfortable may pace and pant. A dog who is disoriented may pace and pant too. The table below shows how the same everyday sign can point in different directions.
Signs that can overlap in a senior dog
| What you notice | Could be linked to joints | Could be linked to brain changes |
|---|---|---|
| Pacing or restlessness at night | Struggling to get comfortable on a sore hip or knee | Disorientation or a changed sleep pattern |
| Less interest in family | Not wanting to get up and move around | Changes in how the dog relates to people |
| Reluctance to go out | Stiffness or discomfort on walks | Confusion about routines or surroundings |
| Toilet accidents indoors | Finding it hard to get up or reach the door in time | Loss of learned habits |
| Unusual panting | Discomfort | Anxiety or agitation |
For guidance only, not a diagnosis.
Many of these signs can also come from other medical problems, so please do not try to work out the cause on your own. Your vet is the right person to sort this out.
Why a vet check should come first
It is tempting to assume that a slower, more muddled older dog is "just getting old". A vet can examine your dog, rule out pain and other medical causes, and talk through whether CCD is likely. They can then recommend the right management for your individual dog.
Getting that assessment early is kind to your dog and useful for you. If pain is part of the picture, your vet can advise on it. If the changes are cognitive, you can plan a routine and home set-up around what your dog needs.
Do a simple home check between visits
You see your dog every day, which makes you the best observer. Keep a short diary for a week or two before the appointment, noting:
- How easily your dog gets up after resting
- Any hesitation on stairs, steps or getting into the car
- Night-time waking, pacing or restlessness
- Any change in how your dog responds to the family
- Toilet accidents in the house
- Appetite and drinking
- Any panting that seems unusual
Taking this to the vet gives them far more to work with than a general description such as "he's not himself". Short notes on your phone are perfectly fine.
Making the home easier on stiff joints
Small changes around the house can make daily life feel more comfortable for a dog with stiff joints. Most cost very little.
- Add grip. Non-slip rugs or mats on hard floors help a dog who is wary of sliding.
- Raise the bowls. Raised food and water bowls can help a dog who finds it hard to bend down.
- Help with car jumps. A ramp or a lift can take the strain if your dog hesitates at the boot.
- Keep walks gentle and regular. Let your dog set the pace, and favour little and often over one long outing.
These changes suit a dog with cognitive changes too, because easy, predictable surroundings are less stressful for an uncertain dog.
Building a routine that helps a disoriented dog
Predictability can help a confused dog feel secure. A steady daily routine is kind to joints and to the mind, and it costs nothing.
- Keep feeding, walking and bedtime at consistent times each day.
- Avoid moving furniture or changing the layout of your dog's space unless you need to.
- Put the bed in a quiet, familiar spot, and make sure it is comfortable and easy to step into.
- Stay calm and patient if your dog seems lost or stuck. A gentle voice goes a long way.
Routine is also the easiest way to remember a daily supplement, which brings us to the next section.
Where a joint supplement fits
A joint supplement is a complementary feed. It sits alongside a balanced diet and veterinary care, and it supports joint comfort and mobility. It does not replace a vet visit, and it is not designed to affect memory, sleep, disorientation or behaviour. If you are worried about any of those, please speak to your vet.
Older dogs may appreciate extra joint support even on a nutritious diet, and many owners choose to start supporting joints early, while a dog still has plenty of energy. Always ask your vet before starting any supplement, especially if your dog takes medication or has another health condition.
About MedPaw Hip & Joint Chews Max
MedPaw Hip & Joint Chews Max is a daily soft chew and a complementary feed for dogs. Its key joint actives are glucosamine, chondroitin, MSM, green-lipped mussel, hyaluronic acid and Boswellia serrata. It also contains omega-3 from green-lipped mussel and flax seed, vitamins C and E, and zinc, and it is made with rapeseed oil and glycerine.
Because it is a soft chew, it is easy to add to a mealtime, which suits owners who want a simple routine. The feeding guide is:
- 1 chew a day for dogs up to 4kg
- 2 chews a day for dogs weighing 5 to 17kg
- 2 to 3 chews a day for dogs of 18kg and over
- Doubled for the first three weeks
- 2 to 3 months of daily use recommended
There is a 60-day money-back guarantee, and Subscribe & Save is available if you would like deliveries to arrive on a regular schedule.
Choosing sensibly
Joint products on the UK market come as chews, tablets, capsules and chewable tablets, with different ingredient mixes and guarantee lengths. Some include turmeric or collagen, and some rely on green-lipped mussel as their source of chondroitin. None of these differences makes one right for every dog. When you compare, it helps to:
- Check the label for the active ingredients and the feeding guide
- Think about which format your dog will happily accept
- Read each manufacturer's own published information
- Tell your vet exactly which supplements your dog takes, particularly before any new medication or surgery
Consistency matters
Daily use matters more than occasional larger amounts. Skipping days or giving less than the recommended amount means your dog is not getting the support the feeding guide is designed to give. Linking the chew to a mealtime is a simple way to keep it going, and it fits neatly into the predictable routine your senior dog will appreciate.
When to see a vet
Please do not wait and see if you are unsure. A vet would much rather check a dog who turns out to be fine than hear about a problem that has been building for months. The guide below shows how quickly to act.
How quickly to get your dog checked
Book a routine appointment
Hesitating on walks, struggling to rise after rest, or reluctance to jump into the car or onto furniture.
Book soon
Getting lost or stuck in familiar places, staring into space, not recognising routines, pacing at night, new barking, repeated toilet accidents, unusual panting, or changes in appetite, drinking or weight.
Call your vet the same day
Sudden lameness, a dog who will not put weight on a leg, yelping, flinching when touched, or any sudden change in behaviour. Sudden changes can have other causes.
Please also speak to your vet about any change that is rapid or getting worse, and about licking at a joint or limping that does not settle. Your vet can examine your dog, rule out pain and other medical causes, and talk through the best way to manage things from here.
Ageing is something to manage with patience
Seeing an older dog slow down or seem a little lost is hard, and it is natural to feel worried. The good news is that a lot of what helps is simple: a steady routine, a comfortable home, gentle exercise and regular conversations with your vet.
Joint support can be one part of that picture, helping to maintain comfort and mobility alongside everything else you do. Speak to your vet about both comfort and behaviour, share your diary notes, and take things one day at a time. Your dog does not need perfection, only your patience and a bit of professional guidance.
Can a joint supplement help a dog with dementia?
A joint supplement is a complementary feed designed to support joint comfort and mobility. It is not designed to affect memory, sleep, disorientation or behaviour, and it is not a treatment for canine cognitive dysfunction. If you are worried about any change in your dog's behaviour, please speak to your vet first.
Is it safe to give my dog with dementia a joint supplement if they take medication?
I cannot say that any combination is safe for your dog, as that depends on their health and what they have been prescribed. Please never start, stop or change a prescribed medicine without your vet. Take the supplement label to your appointment so your vet can check the ingredients against your dog's history.
What should I check on the label for a senior dog on a restricted diet?
Look at the protein and flavour source, any shellfish or fish content, the oils used and the other ingredients, as these can matter if your dog has a sensitive stomach or a vet-advised diet. Not every product declares fat per daily dose, so it is worth asking the manufacturer if you need to know. Your vet can tell you which points matter most for your dog.
How should I introduce a new joint supplement to an older dog?
Check with your vet first, then start at a gentle pace and keep an eye on appetite, stools and general behaviour. Keep mealtimes and routine otherwise the same, as predictability helps a dog with cognitive changes. If anything seems off, stop and speak to your vet. MedPaw Hip & Joint Chews Max has a feeding guide that doubles the amount for the first three weeks, so ask your vet whether that suits your dog before you begin.
How many MedPaw chews would a 20kg dog have each day?
On the printed label, dogs of 18kg and over have 2 to 3 chews a day, and the amount is doubled for the first three weeks. A 60-chew tub would therefore last roughly 10 to 15 days at the doubled rate and 20 to 30 days afterwards. The label recommends 2 to 3 months of daily use, and your vet can advise on the right amount for your dog.
Which signs in my older dog should I take to the vet rather than put down to age?
Night-time pacing, getting lost in familiar places, new barking, toilet accidents, reluctance to move and unusual panting can each have more than one cause, including pain or other medical problems. A short diary of what you notice over a week or two gives your vet much more to work with. Please book an appointment rather than waiting, and call the same day for any sudden change.
