Quick Answer: Worry when you see persistent changes, not isolated incidents. A single slow morning isn't concerning. Stiffness every morning for a week is. Sudden severe lameness always needs attention. The key is watching patterns over time and acting on consistent changes rather than panicking at every wobble or ignoring every warning sign.
Your dog seems a bit stiff this morning.
Is this the beginning of arthritis? Normal aging? A one-off from sleeping awkwardly?
You want to be attentive without being paranoid. Proactive without overreacting.
Here's how to know when to worry.
The Spectrum: Normal Aging vs Problem Signs
Normal aging (may not need intervention):
- Occasional stiffness that resolves quickly with movement
- Slight slowing on very long walks
- Preference for shorter play sessions
- Taking a moment to get comfortable before lying down
Worth monitoring (keep watching, consider prevention):
- Regular morning stiffness lasting more than a few minutes
- Consistent reluctance to jump (even if they still can)
- Slowing down earlier than they used to on walks
- Subtle changes in how they move
Needs attention (see your vet):
- Persistent stiffness that doesn't resolve
- Limping (any duration)
- Reluctance or inability to do things they previously did easily
- Changes in gait (bunny hopping, skipping)
- Signs of pain (yelping, guarding, aggression when touched)
Needs urgent attention (see your vet today):
- Sudden severe lameness
- Inability to bear weight on a leg
- Visible swelling or deformity
- Signs of severe pain
- Rapid onset of mobility problems
The Pattern Principle
One incident = Note it
A single slow morning, one hesitation before jumping, or an occasional skip means very little on its own.
Repeated incidents = Monitor
The same thing happening several times over a week or two deserves attention. Start tracking.
Consistent pattern = Act
When something becomes the new normal rather than an exception, it's time to act.
Example:
- Monday: Dog slow getting up. (Note it)
- Wednesday: Dog slow getting up again. (Hmm, interesting)
- Friday: Dog slow getting up. (Pattern emerging)
- Following week: Slow every morning. (Time to act)
Age-Specific Considerations
Young dogs (under 3 years)
Joint problems in young dogs are less common but often more serious when they occur.
Worry if: Any persistent lameness, abnormal gait developing, reluctance to exercise
Don't dismiss as: "Growing pains" or "just being lazy"
Why it matters: Conditions like hip dysplasia, patellar luxation, and Legg-Calve-Perthes often show up in young dogs. Early intervention makes a significant difference.
Middle-aged dogs (3-7 years)
The transition period. Joint problems can develop or early signs of future issues appear.
Worry if: Changes from previous normal behaviour, increasing stiffness, declining activity tolerance
Don't dismiss as: "Just slowing down with age" (at 4-5 years, this shouldn't be dramatic)
Why it matters: This is when prevention has the most impact. Catching issues now prevents years of progression.
Senior dogs (7+ years)
Some changes are expected, but they shouldn't be dismissed or accepted without management.
Worry if: Significant mobility decline, obvious pain or discomfort, rapid changes
Don't dismiss as: "Just old age" and leave unmanaged
Why it matters: Senior dogs deserve comfort. Many conditions are very manageable with appropriate care. "Old" doesn't mean they should suffer.
The "Compared to When" Question
The most useful question: "Compared to when?"
- "He's slow getting up" — Compared to when?
- "She doesn't want to walk as far" — Compared to when?
- "He's stiff in the mornings" — Compared to when?
Comparing to last month: Minor changes, monitor
Comparing to six months ago: Notable changes, worth investigating
Comparing to a year ago: Significant changes, definitely needs attention
Red Flags That Always Need Attention
Regardless of age or history, these always warrant veterinary attention:
- Limping that lasts more than 24-48 hours
- Non-weight-bearing lameness (holding leg up)
- Sudden inability to do something they did yesterday
- Yelping or crying with movement
- Visible swelling around any joint
- Change in gait (bunny hopping, skipping, dragging)
- Difficulty getting up combined with difficulty lying down
- Loss of muscle mass in legs
Yellow Flags: Worth Watching
These might be nothing, or might be early signs. Monitor and act if they persist:
- Stiffness that takes more than 10-15 minutes to resolve
- Reluctance to jump that's new but not absolute
- Wanting shorter walks
- Taking the "easy route" (avoiding stairs when an alternative exists)
- Shifting weight when standing
- Licking particular joints
- Subtle changes in posture
- Less playful without other explanation
Breed and Size Considerations
Large breeds
Start paying attention earlier. Hip and elbow dysplasia can appear from age 1-2. Any gait abnormality is worth noting.
Small breeds
Watch for patellar luxation (skipping, holding leg up). Can appear at any age.
Long-backed breeds
Monitor for back pain (reluctance to jump, yelping when picked up). IVDD can strike suddenly.
High-energy breeds
Activity changes are more significant. A Border Collie who doesn't want to fetch is telling you something.
What to Do When You're Worried
Step 1: Document
Keep a simple log for a week:
- Date
- What you noticed
- Duration
- Any triggers (after exercise, first thing in morning)
This helps you see patterns and gives your vet useful information.
Step 2: Assess urgency
Using the guide above, decide:
- Monitor at home
- Book routine vet appointment
- Seek urgent vet attention
Step 3: Don't delay if in doubt
If you're genuinely worried, see your vet. The worst outcome is reassurance that everything's fine. That's a good outcome.
The Case for Early Action
Why not "wait and see":
Joint damage is progressive. Cartilage that's worn away doesn't grow back. Catching problems early allows:
- Intervention before significant damage
- More treatment options
- Better long-term outcomes
- More comfortable years for your dog
The cost of waiting:
"I thought it was just aging" is something vets hear often, usually from owners of dogs with advanced arthritis that could have been managed much earlier.
Starting Joint Support
If you're noticing early changes, joint supplementation makes sense.
Pure Collagen for dogs showing subtle early signs.
Mobility & Joints for dogs with more obvious changes.
Follow serving guide on pouch based on your dog's weight.
Important: Supplements support joint health but don't diagnose problems. If you're seeing changes, veterinary assessment is still valuable even if you're already supplementing.
Frequently Asked Questions
My 2-year-old occasionally seems stiff. Should I be worried?
Occasional stiffness in a young dog bears watching. If it persists or worsens, see your vet. Young dogs shouldn't be regularly stiff.
My 10-year-old has slowed down. Is that just normal aging?
Some slowing is normal, but "normal aging" shouldn't mean discomfort or significantly reduced mobility. If your senior dog is struggling, they deserve assessment and management.
How do I know if it's an emergency?
Sudden inability to walk, severe pain, complete non-weight-bearing lameness, or rapid deterioration are emergencies. When in doubt, call your vet for guidance.
I'm probably overreacting. Should I still see the vet?
Yes. "I'm sure it's nothing" appointments often catch things early. Vets would rather see a healthy dog than miss an early problem.
Which Product for Peace of Mind?
- Early subtle changes: Pure Collagen
- More noticeable stiffness: Mobility & Joints
- Alongside vet treatment: Mobility & Joints
Follow serving guide on your chosen product's pouch based on your dog's weight.
Sources
- Canine Arthritis Management UK
- British Small Animal Veterinary Association
- PDSA pet health information
- Royal Veterinary College guidance
Important: This information is for educational purposes. When in doubt, consult your vet. It's always better to check and be reassured than to wait and wish you'd acted sooner.
Last Updated: March 2026
