Pain in our companions is something we all hope to avoid, but recognizing and managing it is an important part of keeping dogs comfortable and healthy. To better understand how pain management works, it helps to know a little about the pain pathway.
The Pain Pathway
Pain begins at the tissue level when damage or inflammation triggers nerves to send signals to the spinal cord. Inflammation lowers the threshold needed to trigger these signals, which means even small stimuli can feel painful.
Once the signals reach the spinal cord, they can be either dampened or amplified before being sent on to the brain. From there, the brain processes the information, and the dog becomes aware of the painful stimulus.
There are two main types of pain: acute and chronic. Acute pain resolves within normal healing time. Chronic pain, sometimes called maladaptive or persistent pain, lasts much longer. In chronic pain, the nerves in both the tissue and spinal cord can become sensitized. This makes them react more strongly, and sometimes even causes non-painful sensations to be experienced as pain.
Pain, especially chronic pain, is rarely consistent. It tends to wax and wane. Dogs living with chronic pain are often more sensitive, so they may feel more severe pain from the same stimulus compared to dogs without chronic pain. Poorly managed acute pain can also increase the risk of developing chronic pain later.
Recognizing Pain
Acute/ Severe Signs
Vocalizing, crying
Limping
Snapping or aggression when touched
Running away
Restlessness
Subtle/ Chronic Signs
Movement & Mobility: less willing to climb stairs, jump, or perform trained tasks; awkward transitions when lying down; loss of muscle.
Posture: lowered head, neck or tail; changes in tail carriage.
Facial Expressions: furrowed brow, drooping ears, “sad eyes,” tight lips.
Conscious Reactions: snapping, whining, twitching, flinching, or withdrawal. Reduced activity or engagement.
Change in appetite
Change in sleeping habits or positions
One helpful way to spot these changes is by keeping videos or photos of your dog’s normal behavior. These can help you and your veterinarian notice differences that might otherwise be missed.
Pain Management
Managing pain well means looking at the whole picture. It’s not enough to treat only the sensation of pain itself. Effective care addresses the underlying disease causing the pain, the nervous system’s heightened sensitivity, and the compensatory changes like muscle tension, altered posture, or restricted movement.
Fortunately, there are many ways veterinarians can interrupt pain. At the tissue level, treatments may include steroids, anti-inflammatories, local nerve blocks, or non-traditional therapies like laser, massage, and rehabilitation can help. At the spinal cord, specific medications can reduce how much signals are amplified. At the brain, opioids and sedatives lessen awareness of pain, though they may also affect mood and behavior.
Supporting a Dog in Pain
Environment: Provide resting places near family, with bedding suited to their comfort. Consider cooling mats or pre-warmed beds. Check out our previous article on Home ergonomics.
Heat & Cold: Temperature- based comfort measures are sometimes used as part of a broader pain management plan. Cold therapy is often used with recent injury, or inflammation, while heat is commonly used to relax tense muscles or support chronic conditions.
Massage: Gentle touch or professionally guided therapeutic massage may help some dogs with muscle tension, when recommended.
Weight control to reduce joint stress
Consistent, appropriate exercise is often part of pain management. In some cases, veterinarian directed rehabilitation or water-based exercise may be beneficial.
Companionship: Gentle petting may help, but sometimes quiet presence is enough. Pain has both physical and emotional components.
Pain isn’t always obvious, but small changes can make a big difference in your dog’s quality of life. Remember that managing pain effectively is multifaceted; it addresses the disease, the pain itself, and the ripple effects on the body. With your careful observations and your veterinarian’s guidance, a tailored pain management approach can help keep your dog mobile, comfortable, and engaged through every stage of life.
Dog Sense contains information related to veterinary health care and does not replace veterinary advice. For any concerns about your dog's health, consult your veterinarian. Dog Sense content is not individual advice and should be considered in the context of your dog’s individual health needs.
Dr. C, DVM - a veterinarian who has worked in private practice and animal welfare while occasionally donating her time to research to improve the safety of animal products. Working in animal welfare inspired her to pursue opportunities that foster open educational dialogue that meet people where they are in their lives. In her spare time she enjoys gardening, hiking, and cooking with her family.