Dog Food Intolerance Symptoms

Most dog food intolerance symptoms are not normally a cause for owners to worry about unduly, a simple change of a food ingredient and the problem can disappear.

A Healthy and Active Dog

Has its own correct Balanced diet with the best ingredients.

Reject artificial colourings, and taste enhancers

Many dog food intolerance symptoms are an adverse reaction to ingredients in a dogs food may well be one of the commonest yet least recognised causes of indisposition or even ill-health in pets as well as in many humans.


It is accepted by many so called experts,that certain components in foods can cause an unfavorable reaction, this could be simply that one or more are very difficult for the animal to digest making the dog feel uncomfortable and restless.

Changing one or more of the core ingredients usually solves this problem. Disorders of the digestive system which are due to dietary intolerance often disappear within a few days of eliminating the food which is responsible but most disorders will take 3-4 weeks to respond to removal of the offending food.

Dog food intolerance symptoms and causes

Intolerance.

In practice, protein (e.g. beef, milk) or carbohydrate a type of cereal e.g.(wheat, lactose) sources are the most likely causes of an averse reaction,although it is possible that chemical additives such as food colorings and preservatives or even in the way the food is processed could be part of the problem which causes a reaction.

Understanding and recognizing intolerance to some dog foods is not helped by pet food legislation which allows pet food manufacturers to declare ingredients such as 'animal derivatives and cereals' rather than naming the actual ingredients or meat content that is not mechanically recovered.

This means that it is very difficult to know precisely what is in the food by reading a label.

Give your dog the best diet at the start

Good Food,exercise and affection will be rewarded by years of happy companionship.

Great care should be taken by owners to research any food they intend to feed their dog. It is possible that chemical additives and food colourings and preservatives could cause a reaction

In general, adverse reactions and intolerance to food can be divided into two sections,those which react through the dogs immune system (allergy) and those which do not that are an(intolerance) to the dietary ingredients.

Although the mechanisms of the two are different, the symptoms are very similar and in some cases require your vets investigation.

Signs of
dog food intolerance symptoms vary as a rule and are not well understood . A reaction can be instantaneous or delayed, for hours even for some days. It can be mild and ill-defined causing non-specific signs of ill-health such as restfulness,listlessness loss of appetite, obvious discomfort , inactivity unpleasant body odours, bad breath, discharge from orifices and so on.

Any long-term dog food intolerance symptoms go unrecognised and can be the underlying cause of degenerative diseases such as heart or kidney failure and cancer.

It is probably true that dietary
dog food intolerance symptoms are much more prevalent than pet owners and veterinary surgeons realise. Diagnostic tests are available but these are only possible for the minority which involve the immune system. In any case the majority are inaccurate and even misleading. Many symptom of ill-health which persists despite treatment or which recurs after treatment should arouse suspicion of food intolerance.


Regular simple examinations of your dog and a diary noting any unusual actions like excessive scratching or paw licking can help you identify underlying problems that can be easily taken care of before they become serious

Most cases of dietary intolerance (those where the immune system is not involved) are dose-sensitive. This means that the amount of food can determine whether or not signs of intolerance will disappear. This is why it is important that whatever food is given, it should be fed sparingly. It is likely that many people suffer from undiagnosed dietary intolerance with similar consequences except that the respiratory system is more commonly affected than the skin.



The definition of a Food allergy when an immune system reacts unfavorably after eating certain foods or a certain brand of food. Sometimes this can be diagnosed quickly by changing the brand of food that has the same ingredients.Dog foods manufacturers use various and different processes,and it is in these manufacturing processes that the problems that can cause these unfavorable occurs.

No Dog Owner Wants a Poorly Dog,Common dog food intolerance symptoms

All dog is different, and many will show different symptoms forms of intolerance and allergies. There are many possible symptoms that your dog may show, and all will may vary in severity. Easily recognised common food intolerance symptoms in dogs include the following:

  • Flaky skin
  • Constant itching or scratching
  • Itchy paws or feet
  • Chewing or biting areas of the skin
  • Dry or rough skin
  • Loss of hair
  • Hives
  • Rashes
  • infections in the ears
  • Skin irritations, or hot spots
  • vomiting
  • Diarrhea
  • Several bowel movements a day
  • Nausea
  • Lethargy

Many symptoms may not be apparent right away and take time to develop, others may show up suddenly. Dogs can develop allergies to foods they have been eating for a long period of time building up with no apparent symptoms then suddenly they occur,

Symptoms of food intolerance may gradually or instantly get better with a simple change of diet or the processed food normally used. arise as time goes by.


At the other extreme an adverse reaction can be severe and unmistakeable. A sudden, usually systemic allergic reaction, resulting in decreased blood pressure, smooth muscle contraction resulting in shortness of breath.

This extreme reaction can cause shock and death. Some people with an allergy to nuts are affected in this way.



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