How to Tell If Your Dog Is in Pain

By Dr Duncan Houston

Quick Answer

Dogs rarely show pain in obvious ways. Instead, it appears as changes in movement, behaviour, posture, appetite, or routine. Limping, stiffness, panting at rest, hiding, or sudden personality changes are some of the most common early signs.

As a veterinarian, I see this constantly. Owners expect crying or obvious injury, but most painful dogs are actually just quieter, slower, or “not quite themselves.”

Why Pain in Dogs Is Easy to Miss

Dogs are very good at hiding pain.

In the wild, showing weakness is a risk. That instinct still exists, which means:

• Pain is often subtle

• Behaviour changes come before obvious signs

• Owners may mistake pain for ageing, laziness, or behaviour issues

If something feels off, it usually is.

A Simple Pain Scale for Dogs

This helps you quickly gauge severity:

Mild pain

• Slight stiffness

• Less playful

• Subtle behaviour change

Moderate pain

• Limping

• Reluctance to move

• Panting at rest

• Reduced appetite

Severe pain

• Crying or yelping

• Refusing to move

• Aggression when touched

• Shaking, collapse, or distress

If your dog moves into moderate or severe categories, it is time to act.

Acute vs Chronic Pain

Acute pain (sudden)

• Injury

• Sprain or strain

• Trauma

• Back pain

Often obvious and sudden.

Chronic pain (long-term)

• Arthritis

• Dental disease

• Internal conditions

Often subtle and gradual. These dogs are commonly missed because the change happens slowly.

Common Signs Your Dog May Be in Pain

Changes in movement

• Limping

• Stiffness, especially after rest

• Slower walking

• Reluctance to jump or climb

• Difficulty getting up or lying down

Changes in posture

• Arched back

• Head lowered

• Tense body

• Guarding one area

Panting, shaking, or restlessness

• Panting when not hot

• Trembling

• Pacing

• Inability to settle

Vocal changes

• Whining or whimpering

• Yelping when touched

• Sudden barking or snapping

Not all dogs vocalise, so silence does not mean comfort.

Behaviour changes

• Hiding

• Clinginess

• Irritability or aggression

• Less interaction

• Sleeping more

This is one of the most common early signs.

Appetite and grooming changes

• Eating less

• Drinking changes

• Repeated licking of one area

• Overgrooming or neglecting grooming

Common Pain Causes by Age

Puppies

• Injury from play

• Growth-related issues

• Congenital conditions

Adult dogs

• Soft tissue injuries

• Dental disease

• Back or joint strain

Senior dogs

• Arthritis

• Degenerative joint disease

• Chronic illness

Pain is not “normal ageing.” It is treatable.

Hidden and Silent Pain Conditions

Some of the most painful conditions are also the least obvious:

• Dental disease

• Ear infections

• Abdominal pain

• Chronic gastrointestinal issues

• Early arthritis

These dogs often show behaviour changes rather than obvious physical signs.

When Pain Looks Like Behaviour

This is a big one.

Dogs in pain are often labelled as:

• Aggressive

• Lazy

• Stubborn

• “Getting old”

In reality, they may be uncomfortable.

If behaviour changes suddenly, always consider pain first.

When to See a Vet Immediately

Do not wait if you see:

• Sudden inability to walk

• Severe limping

• Crying or vocalising repeatedly

• Swelling or suspected fracture

• Dragging limbs

• Back pain with weakness

• Refusal to eat for 24 hours with other symptoms

• Extreme lethargy

Early treatment makes a huge difference.

What NOT to Do

• Do not give human pain medications

• Do not force your dog to exercise through pain

• Do not ignore subtle changes

• Do not wait “a few days” if signs are significant

These are some of the most common mistakes I see.

How Vets Assess Pain

Your vet may use:

• Physical examination

• Orthopaedic assessment

• Neurological testing

• Imaging such as X-rays

• Blood tests if needed

The goal is to find the cause, not just mask the pain.

Treatment Options

Depending on the cause, treatment may include:

• Anti-inflammatory medication

• Pain relief medications

• Joint support

• Weight management

• Physiotherapy

• Surgery in some cases

Pain is treatable in most cases when addressed early.

Lifestyle Factors That Affect Pain

Weight

Extra weight puts significant strain on joints and worsens pain.

Exercise

• Too little leads to stiffness

• Too much can worsen injury

Balance is key.

Environment

• Slippery floors

• Poor bedding

• Difficult access to food or water

These can all make pain worse.

How to Help Your Dog at Home

• Provide soft, supportive bedding

• Use ramps where needed

• Keep routines calm and consistent

• Restrict activity if advised

• Follow your vet’s plan closely

Small changes can make a big difference.

Track Changes Over Time

Pain is often best identified through patterns.

Track:

• Movement

• Appetite

• Behaviour

• Sleep

• Triggers

Short videos can also be extremely helpful.

Final Thoughts

Dogs rarely tell you directly when they are in pain.

They show you through small changes first.

The earlier you recognise those changes, the easier it is to treat, manage, and improve their quality of life.

If your dog seems different, slower, quieter, or uncomfortable, trust that instinct.

FAQs

Do dogs always cry when in pain?
No. Many dogs show pain through behaviour and movement changes instead.

Is limping always serious?
Not always, but sudden or persistent limping should always be checked.

Can a dog be in pain if they are still eating?
Yes. Many dogs continue eating despite discomfort, especially early on.

If you want to track your dog’s pain signs, behaviour changes, mobility, and recovery in one place, the ASK A VET™ app can help you spot patterns early and make better decisions about when to seek veterinary care.