Thursday, 7 November 2013

Quercetin - Alternative Medicine for Dogs and Cats - Benefits, Interactions, Dosage

In this article...

1. Quercetin

2. Health Benefits

3. Cautions

4. Side Effects

5. Drug Interactions

6. Administration and Dosage

Safe for dogs and cats when taken for short-term periods
i.e. up to 12 weeks at a time with a break in-between
prior the next course of treatment

1.0 Quercetin

What is Quercetin…

Quercetin sometimes called nature’s Benadryl, is a naturally occurring flavonoid found in many plants. Flavonoids (or bioflavonoids) are plant-pigments that play an essential role in attracting pollinators to plants.  Flavonoids also offer a host of beneficial properties to humans, dogs, cats and other animals. Quercetin is:

  • Anti-allergenic;
  • Anti-carcinogenic;
  • Antifungal;
  • Anti-Inflammatory;
  • Anti-microbial;
  • Anti-viral.

Quercitin can be found in rich concentrations in some fruits, vegetables and herbs – for example…

  • Apples (fresh);
  • Berries;
  • Bananas;
  • Broccoli;
  • Cherries (dark);
  • Garlic (fresh);
  • Grapefruit (particularly white grapefruit) and grapefruit seed extract;
  • Green tea;
  • Ginkgo bilboa;
  • Chamomile tea;
  • Parsley;
  • Summer squash;
  • St. John’s Wort.  

Quercetin is Available In Supplemental Form…

  • Capsules;
  • Drops;
  • Pills;
  • Powder;
As quercetin can sometimes be difficult for the body to assimilate, taking Bromelain (pineapple derived digestive enzyme) with quercetin can add absorption;
  • Bromelain also works to inhibit histamine; 
  • The ratio of intake is ¼ to 1/3 the amount of bromelain to quercetin. 

2.0 Health Benefits
 A partial list...
  • Anti-allergen…
    • Asthma (an inflammatory disease);
      • Quercetin minimizes the degree of constriction that occurs as it moderates the constriction of bronchial tubes.
    • Environmental allergies
      • Dust and dust mites;
      • Chemical-based cleaning products;
      • Insect bites;
      • Insect and parasite preventatives  - chemical based;
      • Grass and wild flower (weed) pollens;
      • Trees and tree pollen;
      • Mould , mushroom, fungus spores;
    • Food Allergies;
    • Quercetin’s anti-histamine, anti-inflammatory, anti-oxidant properties work together to turn-off histamine production and suppress or reduce inflammation and itching.
  • Anti-Inflammatory;
  • Atherosclerosis - hardening of the arteries, (an inflammatory disease);
  • Blood Conditions;
  • Cataracts;
  • Cancer prevention;
    • Breast cancer;
    • Colon cancer;
    • Endometrial cancer;
    • Ovarian cancer;
    • Prostate cancer;
  • Chronic fatigue syndrome;
  • Diabetes;
  • Heart conditions and heart disease;
  • Inflammation;
  • Prostate pain and inflammation;
  • Vascular (circulation) issues;
  • Viral infections.

3.0 Cautions...

  • Very high doses can cause kidney damage;
  • DO not give Quercetin to dog and cats with kidney disease;
  • Do not give to pregnant or lactating dogs and cats.

4.0 Side Effects...

  • ·    In some individuals can cause tingling in the limbs.

5.0 Drug Interactions...

  • Some antibiotics;
  • Cyclosporin;
  • Medications changed by the liver;
  • Medications moved by pumps in cells.

6.0 Administration and Dosage…


  • Quercetin can be administered for up to 12 consecutive weeks at a time;
  • Only use Quercetin for as long as absolutely required – you should not keep your dog or cat on permanently on Quercetin;


  • Dog’s or Cat’s body weight (lbs) x 1000mg;
  • Divide the resulting number by 125;
  • The resulting number will be the mg daily dosage required;
  • Then split the daily dosage in half;
  • Administer the half dosage two times a day with food.

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Note -

1.0 Use of Foods, Herbs, Nutraceuticals and Alternative Medicines:

When choosing to use any of the items or protocols in the article above, it is your responsibility to ensure safe use of the item/protocol. Food, herbs, nutraceuticals and alternative medicines all have drug interactions, most have health issue contradictions, some have side effects. Use of substances and protocols are your responsibility. Prior to use of any substance or protocol make sure you do your research - check for all cautions, contradictions,interactions, side effects. If in doubt do not use the substance or protocol. If the substance, or protocol is contradicted for your animal do not use. If your animal has an underlying condition you are not aware of substances may conflict with that condition.

2.0 The Real Meaning of Holistic…

Food, herbs, nutraceuticals and alternative medicines are NOT ‘holistic’ they are a substance and MAY, or may NOT be ‘NATURAL’. It is important to keep in mind that the supplement industry is just as unethical as BigPharma, the Food and Pet Food Industry, and unfortunately many veterinarians.

If you use a ‘natural’ substance (i.e. an herb) you are using a natural substance, this is not synonymous with holistic.

Holistic is a way of approaching life, and within that - overall health, and wellbeing.

Please do not expect a natural substance to miraculously remedy a health or behavioral situation. A natural substance may be used to treat symptoms. However, if the factors causing the underlying issue are not properly identified, analyzed and addressed you do not have a remedy.

Remedy requires a comprehensive approach that identifies root cause, seeks to remove items that trigger, cause or otherwise contribute to issues, and builds a complete, and detailed approach to immediate treatment, remedy, and maintenance of long-term health = holistic.

I offer extensive consultation services - Holistic Diet, Nutrition Wellness and Holistic Behavioral, for people that are serious about looking after their dogs and cats holistically. If you want to engage my services you can contact me via email or phone.

If you are looking for additional free advice, please refer back to the articles on my site, do not contact me via email or phone - personalized service is for my clients / patients only.

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Wishing your dog and cat the best of health!

the Ottawa Valley Dog Whisperer
Holistic Behaviorist - Dogs
Holistic Diet Nutrition Wellness Adviser – Dogs and Cats

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