Check for hidden (occult) blood in your stool, invisible to the naked eye, with an easy at-home test.

The Prima Bowel FOB Test detects faecal occult blood, which can be an early sign of gastrointestinal conditions such as polyps, ulcers, colitis, diverticula, haemorrhoids or, in some cases, bowel cancer.

Who It's For

Anyone wanting to check for hidden blood in the stool, particularly people over 45 years of age as part of routine bowel health screening.

What's Included

• 1 test cassette
• 1 vial with collection stick and dropper containing diluent
• 1 sample collection sheet
• Instructions for use

How to Use

1. Collect a stool sample using the collection sheet provided.
2. Unscrew the vial cap, dip the collection stick into 3 different points of the sample, and screw the cap back on.
3. Break the tip of the cap and dispense 3 drops of the diluted sample into the sample well (S) on the cassette.
4. Wait 5 minutes before reading the result.

Accuracy

Specificity 99%, Sensitivity 78.7%, Accuracy 92.6%. Detects occult blood above a 40 ng/mL threshold.

This self-test is a screening tool only and does not replace professional medical diagnosis. Please discuss any result with your pharmacist or doctor.

Frequently Asked Questions

How accurate is this test?

Lab studies show 92.6% overall accuracy, with 99% specificity for detecting occult blood in stool.

What does a positive result mean?

A positive result means blood has been detected in the stool and you should follow up with your doctor for further investigation.

What if I don't read the result within the stated time?

Read the result at exactly 5 minutes for the most reliable outcome.

Who should consider this test?

It's recommended as a periodic bowel health check, especially for people over 45.