Pain is an experience that affects both humans and animals. However, identifying and treating pain in animals presents an additional challenge due to their inability to communicate verbally.
In animals, pain is defined as a sensory and emotional response to injury, illness, or bodily dysfunction. As in humans, it can be classified as acute or chronic, physical, or even psychological.
From a physiological perspective, pain is detected by nociceptors, specialized receptors that perceive tissue damage and send signals to the brain. Although the basic mechanism is shared across species, the way pain manifests can vary depending on the animal’s species, size, and temperament.
How to Recognize Pain in Animals
Since animals cannot express themselves with words, identifying their pain requires careful observation. Common signs include:
Pain Management Strategies
Preventive and Multimodal Analgesia
Preventive analgesia is an approach aimed at avoiding pain before it occurs, by administering analgesic medications prior to surgery or painful procedures. This strategy helps block pain pathways from the outset, reducing central nervous system sensitization and diminishing both the intensity and duration of postoperative pain.
On the other hand, multimodal analgesia involves combining different drugs and analgesic methods that act on various points of the pain pathway. This approach enhances pain control, reduces side effects through complementary mechanisms of action, and allows for personalized treatments tailored to each animal's specific needs.
It’s important to note that the choice of analgesic techniques in both preventive and multimodal analgesia depends on several factors, including the type of procedure or surgery, the animal species, the patient’s health status, and individual considerations.
Locoregional Analgesia
Locoregional analgesia involves blocking pain transmission in a specific area of the body using local anesthetics. It is particularly useful in surgical or diagnostic procedures involving limbs, cavities, or specific tissues. Its use can reduce the need for deep general anesthesia, improve stability during anesthesia, and lower the risk of complications.
Systemic Analgesia
Systemic analgesia uses drugs administered orally, intravenously, intramuscularly, or subcutaneously to achieve generalized pain control. It is ideal for managing acute or chronic pain, especially when localized treatment is not sufficient. Its ease of administration and proven efficacy make it one of the most commonly used techniques.
Pain affects not only the physical health of animals but also their overall quality of life. It is our responsibility to ensure that they live with as little pain as possible—by recognizing its signs, seeking professional help, and providing a caring and loving environment.
