11 Signs Your Old Dog Is in Pain (And the At-Home Pain Scale Vets Actually Use)
11 Signs Your Old Dog Is in Pain (And the At-Home Pain Scale Vets Actually Use)
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It's 2 a.m. You can't sleep because your dog can't get comfortable.
She circles her bed three times, lies down, gets up again. Her breathing sounds a little heavier than usual. She won't look at you the way she normally does. Something is off — you feel it — but you don't know if you're overreacting or if this is a real emergency.
If you've been in that moment, you know exactly how helpless it feels.
Senior dogs can't tell us when something hurts. And the cruel truth about dog pain is that most dogs are wired to hide it. It's an instinct left over from their wild ancestors — showing weakness made you a target. So by the time you notice something is wrong, your dog has often been quietly suffering for days, sometimes weeks.
This guide is built to change that.
Below, you'll find the 11 most reliable signs of pain in older dogs, the pain assessment scale that veterinarians actually use in clinical settings (simplified so you can use it at home), and what you can do tonight to start helping your dog feel better.
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Why Senior Dogs Are More Vulnerable to Undetected Pain
Dogs over the age of seven begin showing age-related changes in their joints, muscles, nerves, and organs. Arthritis is the most common culprit — studies estimate that up to 80% of dogs over eight years old have some degree of osteoarthritis, and most owners don't know it.
Other common pain sources in older dogs include:
- Dental disease (often severe and invisible until late stages)
- Muscle soreness from compensating for weak joints
- Neuropathic pain from spinal changes
- Internal organ discomfort from kidney, liver, or digestive issues
- Post-surgical or injury-related chronic pain
The problem isn't just that pain hurts your dog. It's that untreated chronic pain causes behavioral changes, accelerates cognitive decline, disrupts sleep, and damages the human-animal bond. Your dog pulls away. You think she's getting distant. Really, she's hurting.
Recognizing pain early is one of the most important things you can do as a senior dog owner.
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The 11 Signs Your Old Dog Is in Pain
1. Restlessness and Inability to Settle
This is the 2 a.m. sign. A dog in pain can't find a comfortable position. She'll circle, lie down, get up, move to a different spot, repeat. This is especially noticeable at night when there are fewer distractions.
2. Changes in Posture
Watch how your dog stands and moves. A hunched back, tucked abdomen, or a tendency to shift weight off one leg are all physical signs of pain. A dog guarding a painful area will often hold her body in an unnatural position without realizing she's doing it.
3. Decreased Appetite
Pain suppresses appetite. If your senior dog is suddenly uninterested in food she normally loves, especially combined with other signs on this list, pain should be on your radar before you assume it's a digestive issue.
4. Excessive Licking or Chewing at a Specific Spot
Dogs lick and chew at areas that hurt, even when the pain is internal. If your dog obsessively licks one leg, her belly, or a joint area, she's trying to soothe something. Don't dismiss this as a skin issue until you've ruled out pain underneath.
5. Sudden Aggression or Withdrawal
A dog that has never snapped at you and suddenly growls when you touch her hip is not "acting out." She is protecting a painful area. Similarly, a dog that used to greet you at the door and now stays in her bed may not be moody — she may be too uncomfortable to move.
6. Labored or Shallow Breathing
When dogs are in significant pain, their breathing changes. You may notice faster, shallower breaths, or occasional sighing and grunting. This is different from normal panting after exercise. Watch for breathing changes that happen at rest.
7. Limping or Stiffness After Rest
Classic arthritis presentation: your dog gets up from a nap and moves stiffly for the first few minutes before "walking it off." Don't be fooled when the limp disappears. The fact that she stiffens at all tells you cartilage is degrading and joints are inflamed.
8. Trembling or Shaking
Shaking unrelated to cold or fear can indicate pain — particularly in dogs with spinal issues, nerve pain, or severe arthritis. If your dog trembles while standing still or when you touch a certain area, take it seriously.
9. Reluctance to Use Stairs, Jump, or Get Into Cars
When a dog that previously loved car rides suddenly needs to be lifted in, something has changed. Activities that require impact, extension, or weight-bearing on tender joints become things to avoid. Your dog isn't lazy. Moving hurts.
10. Changes in Sleep Patterns
Dogs in pain sleep more and sleep worse. They may nap constantly during the day but wake frequently at night. They may avoid their usual sleeping spot if it requires jumping or lying in a certain position. Quality of rest drops significantly when pain is present.
11. Facial Expression Changes
This one is subtle but powerful. Research from veterinary behaviorists confirms that dogs in pain show specific facial changes: ears pulled back, eyes partially closed or wide and glazed, tense muzzle, and a generally "flat" expression. If your dog's face looks different than normal, trust that instinct.
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The Pain Scale Vets Actually Use — Simplified for Home Use
The WSAVA (World Small Animal Veterinary Association) Global Pain Council developed a standardized pain scale that veterinary clinics use to assess animal discomfort. It evaluates dogs across five categories:
The 5 Areas to Assess
1. Behavior
Is your dog acting like herself? Or withdrawn, restless, and resistant to interaction?
2. Response to Touch
Does she flinch, tense up, or pull away when you gently touch different areas of her body?
3. Posture and Movement
Is her gait normal? Does she hold any part of her body differently than usual?
4. Vocalization
Is she whimpering, whining, grunting, or unusually quiet?
5. Facial Expression
Refer to sign #11 above. Tense, flat, or glazed?
How to Score It at Home
Rate each category on a scale from 0 to 2:
- 0 = No sign of pain in this area
- 1 = Mild or occasional sign present
- 2 = Clear, consistent sign present
Total score interpretation:
| Score | What It Means |
|-------|---------------|
| 0–2 | Likely comfortable, monitor for changes |
| 3–5 | Mild to moderate pain, vet appointment warranted |
| 6–8 | Moderate to significant pain, schedule urgently |
| 9–10 | Severe pain, contact emergency vet tonight |
This is not a replacement for professional veterinary evaluation. But it gives you a framework to move from "something seems off" to "here's what I observed and when it started" — which makes your vet appointment dramatically more effective.
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📋 Download the Free Printable Dog Pain Scale Chart
We turned this assessment into a clean, printable one-page chart you can keep on your fridge and use during any concern — day or night.
→ Download the Dog Pain Scale Chart on Etsy — $4.99
It takes less than a minute to print. Dozens of dog owners have told us it helped them catch a problem before it became a crisis.
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What You Can Do to Support Your Senior Dog Tonight
Once you've assessed your dog and determined her discomfort level, there are supportive steps you can take at home while you work with your vet on a longer-term plan.
Reduce Hard Surface Pressure
If your dog sleeps on hardwood or tile, add an orthopedic foam bed with a non-slip base. This alone can meaningfully reduce joint pain during sleep.
Limit High-Impact Movement
Avoid stairs, jumping, and long walks during flare-ups. Short, slow, frequent movement is better than infrequent long outings.
Consider a Natural Supplement Specifically Formulated for Pain and Mobility
One product we've seen recommended consistently in senior dog wellness communities is Pet Wellbeing's Life Gold for Dogs — a formulated blend of adaptogenic herbs and botanicals designed to support aging dogs through the physiological stress of chronic conditions.
→ Shop Pet Wellbeing for Senior Dog Wellness Support
Pet Wellbeing uses veterinarian-formulated products with transparent ingredient sourcing. They're one of the few supplement brands in the pet space that publishes batch testing results publicly. For a senior dog dealing with low-grade, chronic discomfort, a natural support supplement used alongside veterinary guidance can make a meaningful difference in quality of life.
Always consult your veterinarian before adding any new supplement to your dog's regimen, especially if she is on medication.
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When to Call the Vet Immediately
Do not wait on the following:
- Sudden inability to walk or stand
- Crying out when touched anywhere on the body
- Labored breathing at rest
- Score of 7 or higher on the pain scale above
- Any sudden, dramatic change in behavior
These are emergency indicators. Call your vet or an after-hours emergency clinic now.
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Frequently Asked Questions
How do I know if my dog is in pain or just slowing down with age?
Slowing down and pain are not the same thing, even though they often look similar. A dog slowing down with normal aging will still eat well, seek affection, and show interest in her surroundings — just with less energy. A dog in pain typically shows multiple signs from the list above simultaneously, especially changes in facial expression, reluctance to be touched, and disrupted sleep. If you're unsure, the pain scale assessment in this article is a good starting point. When in doubt, a vet visit is always the right call.
Can I give my dog human pain medication like ibuprofen or Tylenol?
No. This is critical. Both ibuprofen (Advil, Motrin) and acetaminophen (Tylenol) are toxic to dogs and can cause severe organ damage and death even in small doses. Never give your dog any over-the-counter human pain medication without explicit instruction from your veterinarian. Dog-safe options exist and your vet can guide you to the right one based on your dog's specific condition and current medications.
At what age is a dog considered "senior"?
It depends on size. Small breeds (under 20 lbs) are generally considered senior around age 10–11. Medium breeds around age 8–9. Large and giant breeds age faster and may be considered senior as early as age 6–7. Whatever your dog's age, if you're noticing any of the 11 signs listed above, age is less important than action — get her evaluated.
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Paw Pulses is a pet wellness resource for owners who want to give their senior dogs the highest quality of life possible. We combine evidence-informed content with products we trust. Nothing on this site replaces professional veterinary advice.