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Watch Out For Spear Grass!

Is Your Pet In Pain?

dog with unhappy expressionWhen we hurt, we’ll likely treat it ourselves if it’s minor, or if it’s more significant we can explain it to someone else, such as a doctor, and get help from them. Our pets can hurt too, but they can’t come and tell us, at least not directly. It’s our job to understand how our pets tell us that they are in pain and then to do what’s necessary to ease their suffering.

While pain is sometimes obvious in our pets, such as when they hold up a sore leg, at other times the evidence can be very subtle. Cats are particularly inclined to hide their pain, as they see it as a sign of weakness and vulnerability. Many dogs will do their best to camouflage their pain as well.

To know when your pet is hurting, you need to watch for subtle changes in behaviour and appearance that might indicate he is in pain. It’s vital to always be alert to these signs, as quick action and treatment is the best way to allow your dog or cat to heal and resume their normal, happy life.

Following is a fairly comprehensive list of the signs that your pet may be in pain. None of these alone is conclusive evidence, but a combination may well be indicative. You know your pet best, and therefore you are in the best position to know when he might be in pain.


  • grunting or groaning
  • whining or crying
  • howling or whimpering
  • yelping or growling when touched
  • lack of vocalization when they normally would

cat hiding under furnitureHiding (mostly in cats)

  • withdrawal from social interaction
  • not coming out to eat

Posture Changes

  • shifting position more frequently than normal
  • hunched up
  • sitting or lying in an abnormal position
  • preferring lying to sitting or standing

dog at bottom of staircaseAbnormal Movement

  • difficulty getting up from lying or sitting
  • lagging behind or tiring on walks
  • limping, or not putting weight on a limb
  • reluctance to go for walks or climb stairs or jump up
  • reluctance to move at all
  • repeatedly getting up and lying down


  • panting excessively, especially when resting

Changes in Behaviour

  • out-of-character aggressiveness
  • growling, hissing, biting, especially when touched
  • unusual lack of responsiveness to situations, such as playing with a ball, or going for a walk
  • avoiding being held or picked up
  • dog with unhappy expressionseeking more affection than normal
  • changes in bladder or bowel habits
  • excessive sleeping
  • restlessness
  • shivering or trembling


  • changed, most likely decreased


  • coat lacking its normal shine
  • unkempt appearance
  • licking, biting, or scratching a particular part of the body


  • staring vacantly
  • grimacing
  • glazed, wide eyed
  • flattened ears
  • enlarged pupils
  • excessive grooming

Remember that the most important thing to notice is when your pet is not acting normally. Our cats and dogs are usually quite predictable, so when they act or appear differently than usual, it may be that they are in pain.

unhappy dog with sign that reads Do SomethingWhat To Do

It might be tempting to give human over-the-counter pain medications such as ibuprofen, acetaminophen, or aspirin to your pet. But the possibility of unforeseen side effects and the uncertainly of determining the correct dose is enough reason not to do so. Take your cat or dog to your veterinarian, get a full and complete diagnosis, and work with them to determine the best course of treatment.


Why Dogs And Cats Eat Grass

 It may be difficult for you to imagine your sweet little housecat Hermione as a predatory jungle beast, hiding in the tall grass, hungrily waiting for a snake to slither along her path, grassor a little mouse to make the wrong turn and wind up in her sights. Or perhaps your little dachshund Schnitzel, charging through the forest like a wolf on the hunt. But our domesticated cats and dogs are the descendants of those feral animals, and will sometimes behave just like their ancestors in many ways.

Have you ever seen Hermione nibble on the grass in your yard? What about Schnitzel – sometimes, after an exuberant roll in the muck, have you noticed him chowing down on blades of grass?

Why do they do that?

It is hypothesized that cats and dogs will seek out grass to munch on for a few reasons:

  • They like the taste
  • They need the grass to help them regurgitate
  • They need the grass to work as a laxative
  • Grass was a part of their ancestor’s diets, and is still required in modern animals
  • They are missing some nutrients (which are found in grass) in their daily diets
  • They are suffering from “pica”, a psychological problem


Some veterinarians and animal handlers surmise that cats and dogs may eat grass simply because they like the taste. This opinion is based entirely on observation and anecdotal information, of course.

Both feral dogs and cats ate live prey, many of which themselves fed on grass. It is hypothesized that domestic cats and dogs, who no longer need to hunt for food, still retain the genetic association with grass to their “wild days and ways” and will seek it out as a normal part of their diets.


Cats are very particular when it comes to preening and cleaning themselves, and use their tongues frequently during the day to lick themselves.


While Hermione stays clean by doing this, she can also swallow a substantial amount of fur, which can then develop into a fur ball. The fur ball can lodge in her throat or digestive system, causing a blockage. Cats may instinctively seek out grass in order to help rid themselves of fur balls. Because cats do not have the necessary enzymes to digest grass, they will vomit it up – hopefully along with the stuck fur ball! In layman’s terms, grass becomes ipecac for cats!

Have you ever watched Hermione pounce on a bird in the garden on a lovely spring afternoon? She is demonstrating the same instinctive behaviour her ancestors exhibited while on the hunt for food. When the feral cat caught her prey, she would quickly eat it whole – bones, fur, and feathers! Unfortunately, not everything was digestible, and the wild cat might have sought out blades of grass in order to help her regurgitate the “leftovers”.

Dogs are omnivores and scavengers, and their wild ancestors hunted and ate prey whole, too, just like the cats. Perhaps they also nibbled on grass to help rid themselves of the indigestible remnants of their food.

Dog eating grass - yum!Wild dogs ate whatever they could forage, and then might find themselves in distress, with very upset tummies. If Schnitzel has consumed something bad for him, you might find him galloping out the door, making a beeline for some tender stalks of grass, stuffing himself until he purges and alleviates his discomfort.

Beneficial nutritional elements in grass

Female cats and dogs may seek out grasses prior to oestrus, as the additional vitamins and minerals will assist in the healthy development of their embryos.

Some pet stores sell grasses as nutritional aids. For example oat grass, (whether dried in powder form, or freshly-cut stalks), is well tolerated by most animals, and should not trigger an allergic reaction.

Calico cat eating grass Oat grass’s benefits include:

  • A high vitamin B content
  • A high content of folic acid (an essential vitamin which assists in the production of hemoglobin, a protein that helps move oxygen in the blood)
  • Digestive enzymes
  • Chlorophyll
  • An interesting theory states that animals seek out young, green shoots containing chlorophyll in order to sweeten and lessen their odours. Feral cats and dogs often give birth in the spring, and chlorophyll from the new green blades might help their newborns mask their scent, and thus avoid being detected by an animal hunting for food.
  • Beta carotene, which helps boost the immune system

Yum! Barley grass is good for catsOCD and your pet

There is one more reason why your pet might be eating grass—a condition called “pica”. Defined as an obsessive-compulsive disorder, this condition may have an organic cause (ranging from a diet lacking in a few nutrients to a severe deficiency in the animal) or inorganic (stress or boredom-induced).

If you notice that your pet has begun to eat non-food and/or indigestible items, such as plastics, string, yarn, grasses, etc., he might be suffering from pica.

Pica is the manifestation of a larger problem, and it is important to find the cause of this problem and treat it quickly. Pica can cause physical harm to your pet (a foreign object can become lodged in the animal’s system, requiring emergency surgical removal), or chronic behavioural problems, requiring medication and/or psychological treatment.

Look at this guy's guilty expressionA few things to remember

A little salad with a meal is no cause for worry!

However, if you notice your pet constantly needs grass, has urgent and consistent problems eating and digesting, it’s time to see your veterinarian. Never allow your pet to eat grass from a field treated with herbicides, pesticides, or fertilizers. These products are toxic, and while a few blades may not be a sufficient dose to be poisonous, consistent eating will definitely cause a dangerous build-up in your pet’s system.

Be very careful if you have houseplants and are introducing pets to your home, or if you are considering bringing a new plant into a house with animals. Your cats and dogs may naturally want to nibble on the plant’s leaves, and some plants are very toxic and even lethal to cats and dogs.

Your daily interactions with your pets give you a unique perspective on what is normal for them. Cats and dogs will naturally graze on grass from time to time, and you should be confident that your pets are using their instinctive behaviour for healthy and beneficial reasons.