There’s no doubt that dogs are affectionate creatures. And they have numerous ways of showing it. One of these ways is by licking their owners. You may enjoy it when your furry friend comes up and gives you a big ol’ pooch smooch. But why do dogs lick you? In a poll* of dog owners, IAMS™ found a large majority (75%) believe dogs lick people to offer signs of friendliness. That’s definitely a correct assumption. Let’s dive a bit deeper for a better understanding.
Licking has been a social behaviour among dogs since the days of the great-great-great granddaddy wolf. 'It’s a standard canine greeting to lick others around the face,” agrees James Serpell, B.S., Ph.D., Professor of Humane Ethics & Animal Welfare at the University of Pennsylvania School of Veterinary Medicine. “Junior members of the pack will run around and lick the mouths of more senior members.” But is that all that there is to dog licking behaviour? Or are there more reasons why dogs lick people? Let’s find out!

Here are a few reasons that can explain why dogs like to lick.
For dogs, licking is equivalent to kissing or showing affection. You may have noticed female dogs licking their puppies which is a behaviour that is intended to show affection. And your dog considers you part of their pack, so they show you affection the same way their kind does - by licking.
Dogs are oral creatures and gather a lot of information about their surroundings through taste and smell. Maybe you’re salty after a sweaty run. Maybe you’ve got barbecue sauce on your face. “Dogs can smell a lot better than we can,” says Dr. Jo Gale, BVetMed CertLAS MRCVS, Senior Manager, Global Science Advocacy at Waltham Petcare Science Institute, “so they find a lot more things interesting to lick than we can.” This is despite the fact that dogs only have about 1,700 taste buds compared to around 9,000 in humans.
Have you been too busy with work lately? Or has anything kept you inattentive toward your pooch? If so, it’s probably one of the reasons why your dog is licking you. It is also possible that your dog just got too bored and wants you to play with them, which is why they’re suddenly licking you.
That’s true. Much like humans, dogs can also suffer from obsessive-compulsive disorder, which can be concerning. It is often triggered due to stress and anxiety and makes the dogs suddenly begin licking. You will need to visit your vet if you suspect this to be the case.

Unlike humans, no other animals have knowledge about or access to proper healthcare. So, when they get injured, their first instinct is to lick their wounds. This helps them numb the pain to a certain extent, and also clean the wound. Thus, when your dog sees a wound on you, their natural instincts kick in and they try to help you by licking the wound, thinking it will clean the wound and lower the pain.
In fact, in ancient Greece, dogs at the shrine of Asclepius were trained to lick patients. In the Middle Ages, Saint Roch was said to have been cured of a plague of sores through his dog’s licking. The French even have a saying, “langue de chien, langue de médecin,” which translates to, “a dog’s tongue, a doctor’s tongue.”
Don’t cancel your health insurance just yet. While a dog’s saliva does have some possible bactericidal properties against some types of bacteria, it can put you at risk of exposure to others. Too much licking can also reopen the wound and cause further infection. With modern medicine, you’re much better off hitting the first-aid kit. And that myth about dogs’ mouths being cleaner than humans’? Not true — both contain over 600 types of bacteria.
While an occasional canine kiss is “aww”-inducing, some dogs can overdo it to the point of annoyance. When this happens, the best thing to do is “completely ignore it and give no attention,” suggests Dr. Jo Gale. “When they stop, provide them with attention.” This acts as a form of positive reinforcement. Over time your dog will learn to scale back on the smooches. Another thing you can try is training them to cut back on the licking. Remember to use positive reinforcement in this case too - reward them with treats or toys when they display good behavior.
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Yes, but not always. For dogs, licking is also a way to explore and understand the world and the beings around them. Sometimes it can also be an indication of their OCD.
Your dog may be licking you because of either of these reasons - to show affection, to seek your attention, because they like how you taste, or because they are feeling stressed or anxious.
If a dog keeps licking constantly, it may be because they are feeling anxious or stressed. Sometimes these feelings also trigger OCD in dogs, which can make them lick obsessively. They may also do it when they are bored and want your attention.
Sometimes, dogs choose to show dominance via licking. They may do this with either other dogs of the pack or with humans. Dog licking may indicate dominance especially when the licks are uninvited, and the dog begins showing dominant behaviour. This can include not obeying commands and acting in a demanding way.
A dog’s licking may indicate several things. They are either showing affection or are just bored and need your attention. They may also lick you if they think you taste good or interesting.
Have you ever spotted your beloved canine companion nibbling on the lush green blades in the backyard and found yourself pondering the reason behind this seemingly peculiar behaviour? This intriguing habit has fascinated pet owners and experts for generations. In this blog, we will explore the various factors that might drive your furry friend to indulge in this grassy feast, unfolding the mystery behind their seemingly strange dietary preferences and habits.
Dogs have been known to display a liking towards occasionally nibbling on grass. While the exact rationale may differ from one dog to another, several theories attempt to shed light on this behaviour, providing explanations for this habit. Understanding the underlying motivations can provide valuable insights into our furry friends’ dietary preferences. Your dog could be eating grass due to various causes, some of which are listed below.
Some dogs simply relish the taste and texture of grass, which might be due to the change in taste, texture, or smell during different seasons. For them, indulging in a bit of greenery might be akin to us savouring a favourite snack. It may not necessarily serve any particular purpose other than fulfilling a canine craving for something different and intriguing, making it a harmless pastime that satisfies their curious taste buds and offers them a brief moment of sensory delight amid their daily routines.
In certain instances, dogs may resort to grass as a means of alleviating boredom and seeking sensory stimulation. Particularly for those lacking sufficient mental or physical engagement, exploring the various textures and tastes of the outdoors can serve as a form of entertainment, helping to pass the time and provide a temporary distraction from their otherwise monotonous routines. This act of grazing on grass could serve as a form of mental enrichment, offering them a much-needed change of pace and an opportunity to engage their senses.
Dogs, like humans, require a certain amount of fibre in their diets to maintain a healthy digestive system. Since grass is a natural source of fibre, sometimes dogs can eat grass instinctively to aid in digestion, especially if their regular diet lacks adequate fibre content. This act of consuming grass could potentially help them regulate their digestive processes, promoting better overall gut health and ensuring smooth bowel movements, contributing to their overall well-being and physical comfort.
Surprisingly, grass contains certain properties that could aid dogs in purging their system of any potentially harmful intestinal parasites. By inducing vomiting through grass consumption, dogs might instinctively attempt to cleanse their digestive tract, ridding themselves of any unwelcome parasites that could be causing discomfort or distress. This natural mechanism could be a part of their innate self-care routine, serving as a means of maintaining their overall health and well-being while safeguarding them from potential health risks posed by internal parasites.
Keeping a close eye on your dog's grass-eating habits is essential for understanding their overall well-being. Despite common assumptions, the act of consuming grass does not necessarily indicate an underlying illness, with reports suggesting that only about 10% of dogs appear to be unwell before indulging in grass. This emphasises the importance of paying attention to other cues to gauge your pet's health accurately and understand if grass is good for dogs.
Furthermore, it is worth noting that most dogs, approximately 25%, who consume grass do not end up vomiting regularly after grazing. This challenges the conventional notion that grass consumption leads to subsequent vomiting. Some experts propose that this behaviour might aid in digestion or cater to specific nutritional requirements, such as the need for additional dietary fibre, indicating a potentially intuitive dietary mechanism in canines.
However, as mentioned previously, it is plausible that your dog simply relishes the taste or texture of grass, viewing it as a form of sensory stimulation. By closely observing your dog's grass-eating patterns and any accompanying behaviours, you can discern whether this habit is a matter of preference or indicative of underlying health issues that require attention. This vigilance allows for a comprehensive understanding of your pet's dietary preferences and potential nutritional needs.
If you suspect your dog is eating grass out of boredom, it is crucial to ensure it is getting sufficient exercise and mental stimulation. Consider incorporating engaging activities into its routine, such as playing interactive games like fetch or providing it with durable chew toys to keep it occupied and mentally stimulated.
In cases where your dog's grass-eating behaviour stems from a potential nutritional deficiency, transitioning to a higher-quality dog food, particularly one rich in dietary fibre, could help address the underlying issue. Consulting with a veterinarian to determine the most suitable dietary adjustments for your dog is advisable to ensure it receives the necessary nutrients.
While most experts agree that grass consumption itself isn't harmful, it's important to remain mindful of potential hazards. Some lawn treatments, including herbicides and pesticides, can be toxic if ingested. Similarly, several common household and garden plants are toxic to dogs, leading to health complications if consumed alongside grass. Being vigilant about the types of plants and substances your dog has access to will significantly mitigate potential risks associated with their grass-eating behaviour.