£11.59
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Canestest Self-Test for Vaginal Infection helps you quickly and accurately identify the cause of vaginal discomfort at home. Its easy-to-use test provides clear results in minutes, guiding you toward the right treatment.
Canestest Vaginal Infection Screening Test is a simple, clinically tested home test that helps identify whether your symptoms are caused by thrush (candida infection) or bacterial vaginosis (BV).
Each kit includes one easy-to-use swab that checks your vaginal pH level, helping you understand the cause of your discomfort quickly and privately.
Learn more about vaginal thrush symptoms on the official NHS website.
Provides results in just 10 seconds
Helps differentiate between thrush and BV
Clinically tested with over 90% accuracy
Enables targeted treatment and reduces unnecessary medication
Non-invasive, easy-to-use design
Suitable for women aged 16 and over
Canestest measures your vaginal pH balance, which helps determine whether your symptoms are more likely caused by thrush or BV.
Thrush (Candida Infection)
Caused by an overgrowth of Candida albicans yeast.
Typical symptoms include:
Vaginal itching or soreness
White, thick discharge with no odour
Stinging during sex or urination
Redness or swelling around the vagina
Bacterial Vaginosis (BV)
Caused by an imbalance in vaginal bacteria.
Typical symptoms include:
Thin, white or grey discharge
Strong, fishy odour (especially after sex)
Burning or discomfort when urinating
Mild irritation around the vagina
Canestest works by checking your vaginal pH level – a healthy vagina is slightly acidic (pH 3.8-4.5).
If the test detects a higher pH, this can indicate BV.
Results are shown by the colour change on the tip of the swab:
Yellow: Normal pH – likely Thrush
Green/Blue: Raised pH – likely Bacterial Vaginosis (BV)
This helps guide which treatment is most suitable before you buy or consult a pharmacist.
Suitable for:
Women aged 16 years and older
Anyone experiencing vaginal itching, discharge, or discomfort
Those wanting to confirm whether symptoms are thrush or BV
Do not use if:
It is within one day before or after your period
You have vaginal bleeding or your period has started
It has been less than 12 hours since sexual intercourse or vaginal douching
You have used spermicides, creams, or lubricants in the last 12 hours
Wash your hands before and after use.
Open the test swab without touching the yellow tip.
Hold the swab by the handle and insert the yellow tip about 2-3 cm into the vagina.
Rotate the swab for 10 seconds, then remove it carefully.
Check the tip colour immediately after removing:
Yellow – Normal pH: Thrush likely
Green/Blue – Raised pH: BV likely
Avoid testing during your period or immediately after sex for best accuracy.
Yellow Result (Normal pH)
Indicates Thrush (Candida infection) is more likely.
You can treat it with:
Canesten Thrush Pessary 500mg
Canesten Thrush Cream 2%
Fluconazole Oral Capsule 150mg
Green/Blue Result (High pH)
Indicates Bacterial Vaginosis (BV) is more likely.
Speak to your GP or pharmacist for suitable antibacterial treatment.
When used correctly, Canestest is clinically proven to be over 90% accurate in distinguishing between thrush and BV.
Accuracy may be affected by menstrual blood, intercourse, or recent use of vaginal products, so follow the instructions carefully.
Store in a cool, dry place below 25°C.
Keep out of reach of children.
For single use only – discard after use.
Do not use after the expiry date printed on the box.
Avoid using perfumed soaps or douches
Wear cotton underwear and loose clothing
Use probiotics or natural yogurt to help restore healthy flora
Change out of wet swimwear promptly
Use condoms to help maintain bacterial balance
How accurate is Canestest?
Canestest is over 90% accurate when used correctly and at the right time in your menstrual cycle.
Can I use Canestest during my period?
No. Blood affects the pH balance and may give an incorrect result. Wait at least one day before or after your period.
Can Canestest diagnose sexually transmitted infections (STIs)?
No. Canestest only checks for thrush or BV, not STIs. If you have pain, sores, or abnormal bleeding, see your GP.
What should I do if my result is green (BV)?
Consult a healthcare professional for an antibacterial treatment such as metronidazole or clindamycin.
Can I use Canestest again after treatment?
Yes, but wait at least three days after completing treatment to ensure accurate results.
Is Canestest safe during pregnancy?
Yes, but always consult your midwife or GP before using any vaginal product during pregnancy.
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