Last updated December 20, 2018 by Lisa Richards, CNC   Reviewed by Dr Eric Wood, ND.

Candida Questionnaire

Candida questionnaire

On this page you can find an abbreviated version of Dr. William Crook’s questionnaire, which he designed to test for Candida. As you can see, it focuses on identifying symptoms and the possible risk factors for Candida.

Questionnaires are a useful way to test for Candida, but they are most effective when used in conjunction with lab tests such as a Comprehensive Digestive Stool Analysis. Another use for questionnaires is to assist in identifying symptoms and risk factors before you speak to your doctor.

The main difficulty with testing for Candida albicans is that almost everyone has it in their gut. Most of the time this is not a problem at all, and Candida forms part of a healthy gut flora. However, Candida albicans can start to damage your health when it becomes pathogenic and starts to spread through your gut. Questionnaires like this give us a valuable insight into whether Candida is becoming a issue.

If you would like to see some more detailed questionnaires, and design a Candida treatment plan that will work for you, remember to check out our Ultimate Candida Diet program. It contains lots of information about testing for Candida, as well as delicious recipes and comprehensive lists of foods to eat.

The Questionnaire

1. Have you taken repeated or prolonged courses of antibacterial drugs?40
2. Have you been bothered by recurrent vaginal, prostate or urinary infections?30
3. Do you feel “sick all over,” yet the cause hasn’t been found?20
4. Are you bothered by hormone disturbances, including PMS, menstrual irregularities, sexual dysfunction, sugar craving, low body temperature or fatigue?20
5. Are you unusually sensitive to tobacco smoke, perfumes, colognes and other chemical odors?20
6. Are you bothered by memory or concentration problems? Do you sometimes feel “spaced out”?20
7. Have you taken prolonged courses of prednisone or other steroids; or have you taken “the pill” for more than 3 years?20
8. Do some foods disagree with you or trigger your symptoms?10
9. Do you suffer with constipation, diarrhea, bloating or abdominal pain?10
10. Does your skin itch, tingle or burn; or is it unusually dry; or are you bothered by rashes?10
11. When you wake up, do you have a white coating on your tongue?10

Interpreting the Results


A score of 10 or greater indicates that your health problems may be connected to a Candida overgrowth.
A score of 13 or higher suggests that your symptoms are very likely to be related to Candida.

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A score of 8 or greater indicates that your health problems may be connected to a Candida overgrowth.
A score of 11 or higher suggests that your symptoms are very likely to be related to Candida.

Not sure what to do next? Our Candida treatment plan contains a comprehensive timeline to follow during your Candida treatment, as well as all the information you need on the supplements that are best suited to you.

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