Summary
18 items · 10–20 minutes
Why Dogs Hide Pain — and Why That Makes Owners' Observation So Important
Dogs evolved from animals where showing weakness could invite predation or social displacement. Even well-loved pets carry that instinct, which means they frequently continue eating, walking, and engaging with their owners while experiencing real discomfort. By the time a dog shows obvious distress, pain is often well-established.
That's why consistent, attentive observation matters. You don't need veterinary training to notice that your dog is moving differently, eating less, or responding to touch in an unusual way. You just need to know what to look for — and this checklist is designed to help with exactly that.
Keep in mind that many of these signs can also reflect conditions other than pain, including illness, anxiety, or cognitive changes. For an overview of how body language fits into the bigger picture, see our guide to understanding dog body language. If your dog's behaviour changes for unclear reasons, a veterinary consultation is always the appropriate next step.
Never Give Dogs Human Pain Medication
Common over-the-counter pain relievers — including ibuprofen, acetaminophen, and naproxen — are toxic to dogs and can cause serious organ damage or death. Even a small dose intended to help can be dangerous. Always contact a veterinarian before giving your dog any medication for pain.
Tools and Resources to Help You Assess Your Dog
You don't need specialised equipment to observe most pain signals, but a few simple resources will help you track what you notice and communicate clearly with your vet.
Notebook or pet health log app
Record dates, durations, and descriptions of any concerning signs so you can present a clear timeline to your vet.
Video-capable smartphone
Capture brief clips of abnormal gait, posture, or behaviour that may not be replicable during a vet visit.
Soft-bristle grooming brush
Gently run over the coat to help identify areas where your dog reacts to touch or pulls away.
Your vet's contact information
Keep your regular vet and an emergency animal clinic number accessible for rapid consultation.
Pain Signs Checklist: What to Watch For
Work through each group below and note any signs your dog is displaying. A single item checked occasionally may not be cause for alarm, but several items across multiple groups — or any sudden, severe change — warrants prompt veterinary attention.
Postural and Movement Changes
Behavioural and Temperament Signals
Vocalisation and Breathing
Physical Appearance and Grooming
Appetite, Thirst, and Elimination
Sudden or Severe Signs Require Immediate Attention
If your dog suddenly cannot stand, is crying continuously, has a visibly distended abdomen, collapses, or is struggling to breathe, treat this as an emergency. Contact an emergency veterinary clinic immediately rather than waiting for a routine appointment. Time-sensitive conditions such as gastric dilatation-volvulus (bloat) or acute injury can deteriorate rapidly.
Some Toxic Exposures Mimic Pain Responses
If your dog is suddenly restless, drooling, trembling, or vocalising and you suspect they may have ingested something unusual, check our article on household items toxic to dogs and contact your vet or an animal poison control hotline right away.
Senior dogs are particularly prone to masking chronic pain from conditions like arthritis. If your dog is older, our article on keeping an ageing dog comfortable covers additional signs specific to that life stage.
What to Do If You Recognise These Signs
If your dog shows one or two mild signs intermittently, monitor closely and log what you observe — when the behaviour occurs, how long it lasts, and whether anything seems to trigger it. This record will be valuable when you speak with your vet.
If your dog shows multiple signs, displays any sign suddenly or severely, or if you notice signs that persist beyond 24 hours, contact your veterinarian promptly. Do not attempt to give your dog human pain relievers such as ibuprofen or acetaminophen; many are toxic to dogs. Your vet is the appropriate person to assess, diagnose, and recommend any treatment.
Note that some behaviour changes that look like pain — such as withdrawal, restlessness, or changes in eating — can also stem from anxiety. Our article on separation anxiety in dogs may help you distinguish between the two.
This article is for general informational purposes only and does not constitute veterinary or medical advice. Always consult a licensed veterinarian for concerns about your dog's health.
The content on this site is for informational purposes only and is not a substitute for professional advice. Always consult a qualified professional for guidance specific to your situation.

