Summary: ROYAL CANIN Veterinary DietTM/MC feline SENSITIVITY RD 30TM/MC (dry) and SENSITIVITY VRTM/MC (canned) are highly palatable, highly digestible, complete, and balanced diets formulated to meet the requirements for feline growth and maintenance. These diets use a limited number of ingredients rarely associated with dietary sensitivity in cats.

INDICATIONS:

CONTRAINDICATIONS:

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Dietary hypersensitivity (allergy) which may present with the following dermatological signs:

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Venison hypersensitivity

  -- Intense pruritus and ulcerative dermatitis of the head and neck
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Duck hypersensitivity
  -- Miliary dermatitis-like lesions    
  -- Eosinophilic granuloma complex    
  -- Bilaterally symmetrical or localized alopecia    
  Or with the following gastrointestinal signs:    
 
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Vomiting    
 
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Diarrhea    
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Dietary intolerance (e.g., lactose intolerance)    
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Inflammatory bowel disease    
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Idiopathic Diarrhea    
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Anorexia    
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Convalescence    


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RATIONALE:
Dietary Sensitivity:

Dietary sensitivity is a term used to describe a clinically abnormal and immunological response to the ingestion of a particular food. When an immunological mechanism cannot be demonstrated, food intolerance is a more appropriate term.

Most basic food ingredients, including proteins, lipoproteins, glycoproteins, lipopolysaccharides, and carbohydrates, have the potential to induce an allergic response. However, proteins are most commonly implicated in dietary sensitivity in cats.

In cats, cow’s milk, beef, and cereal account for many reported cases. Dietary sensitivities manifest as dermatological or gastrointestinal signs. Some patients may manifest both gastrointestinal and dermatological signs.

The primary goal in the treatment of dietary sensitivity is to feed a diet which is balanced and which does not contain the offending allergen. A detailed diet history may be useful in identifying foods which have not previously been fed to the cat and may form the basis of an elimination diet which is "hypoallergenic" for that particular cat.

SENSITIVITY RD 30TM/MC (dry) and SENSITIVITY VRTM/MC (canned) are practical and generally effective choices for the management of food sensitivity in cats.

Other Applications:
Because SENSITIVITY RD 30TM/MC (dry) and SENSITIVITY VRTM/MC (canned) are highly digestible, lactose-free and contains a limited number of protein sources, they are useful in the management of a number of gastrointestinal disorders in cats.

When conditions including dietary intolerance, inflammatory bowel disease, or idiopathic diarrhea are suspected, SENSITIVITY RD 30TM/MC (dry) and SENSITIVITY VRTM/MC (canned) should be introduced as the sole source of nutrition. The outstanding palatability of these highly digestible diets makes them ideal for convalescing or anorexic cats.



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Special Tips:
Many diets which are labeled "hypoallergenic" are not really true elimination diets. They may contain many other protein sources, including those antigens the owner is trying to avoid. It is important to counsel owners about true elimination diets and advise them to verify a product’s ingredients by checking the ingredient list on the label.

Snacks, treats, supplements, and flavored medications may contain antigens. It is important that the owner understands that even minor deviations from a strict limited antigen diet can lead to a recurrence of allergic symptoms.

During the initial diagnostic period, it is important SENSITIVITY RD 30TM/MC (dry) or SENSITIVITY VRTM/MC (canned) be fed exclusively.


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REFERENCES:
Ugarte C, Guilford WG, Markwell PJ, et al. Multicentric epidemiological study of feline inflammatory bowel disease. J Vet Intern Med 2003;17:443.

Ugarte C, Guildford G, Markwell PJ et al. Carbohydrate malabsorption is a feature of feline inflammatory bowel disease but does not increase clinical gastrointestinal signs. Proceedings of the Waltham International Science Symposium, Bangkok, Thailand, October 28-31 2003 p 24

Guilford WG, Jones BR, Markwell PJ, et al. Food sensitivity in cats with chronic idiopathic gastrointestinal problems. J Vet Intern Med 2001;15:7-13.

Guilford WG, Markwell PJ, Jones BR, et al. Prevalence and causes of food sensitivity in cats with chronic pruritus, vomiting and diarrhea. J Nutr 1998;128:2790S-2791S.

Guilford WG, Markwell PJ, Jones BR, et al. Prevalence of food sensitivity in cats with chronic pruritus, vomiting or diarrhea. Proceedings of the Waltham International Symposium: Pet Nutrition and Health in the 21st Century: 1997 p96.

Guilford WG, Jones BR, Wills J, et al. Prevalence of food sensitivity in cats with chronic vomiting, diarrhea or pruritus. J Vet Intern Med 1996;10:156.

Markwell PJ, Guilford WG, Jones BR, et al. Prevalence of food sensitivity in cats with chronic pruritus, vomiting or diarrhea. Proceedings of the Third World Congress of Veterinary Dermatology. World Congress of Veterinary Dermatology Association, Edinburgh: 1996; p169.

O'Dair HA, Markwell PJ, and Maskell IE. An investigation of food hypersensitivity as a cause of feline allergic dermatitis. Vet Derm 1996;7:193-202.

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