Stool culture
How to prepare
You can eat and drink normally before the test.
No special preparation needed.
Tell our phlebotomist about any medicines you take. Don't stop them without asking your doctor.
Wear a loose sleeve so the sample can be taken easily from your arm.
How it works
About this test
Stool culture grows bacteria from a stool sample to find the germ causing diarrhoea, such as Salmonella, Shigella or Vibrio cholerae, and tests which antibiotics will work.
Why is this test done?
- Find the cause of severe or bloody diarrhoea
- Diarrhoea lasting more than a few days
- Choose the right antibiotic
- Check food handlers or carriers
Symptoms — when should you get tested?
- Loose motions with blood or mucus
- Fever and belly cramps
- Rice-water stools
- Diarrhoea after travel or outside food
Normal range
Reference ranges differ slightly between labs, methods, age and sex. Always discuss your report with your doctor.
If your result is high
Growth of a disease-causing germ confirms bacterial diarrhoea; the report lists effective antibiotics.
Common reasons- Salmonella (including typhoid)
- Shigella (dysentery)
- Vibrio cholerae
- E. coli
- Campylobacter
How is the test done?
- 1Book online
Choose your slot for home collection or a visit to our centre.
- 2Give a stool sample
Collect a small amount of stool in the clean container provided, without mixing urine or water.
- 3Tested in our lab
Your barcoded sample is tested on automated machines with strict quality checks.
- 4Report on WhatsApp
A pathologist checks the result and the report reaches you on WhatsApp and email.
Frequently asked questions
Collect fresh stool in the sterile container, without urine or water, and send it within 1–2 hours.
No fasting is needed for this test. You can eat and drink normally.
Your report is usually ready in 3-5 days after the sample reaches our lab. We send it on WhatsApp and email, and you can also download it from the Reports page.
Please call our team to confirm whether home sample collection is available for your location and test.
This test needs a stool sample. No special preparation needed.