Stool R/E Test
Stool R/E (Routine Examination) — also called পায়খানা পরীক্ষা — is a straightforward lab test that examines a stool sample for clues about your digestive health. Many Bangladeshi patients receive this test without a clear explanation of what it looks for or how to prepare. This guide covers why the test is ordered, how to collect a sample correctly, what the lab checks, how to understand basic results, and what it typically costs in Bangladesh.
What Is a Stool R/E Test?
Stool R/E stands for Stool Routine Examination. It is a basic screening tool that examines a stool sample using physical, chemical, and microscopic techniques. The test helps detect abnormal components such as parasites, blood, pus, mucus, fat, and undigested food. It is non-invasive, low-risk, and widely available in diagnostic labs and hospitals across Bangladesh.
Because it is a routine test, Stool R/E is often the first step when a patient has persistent gastrointestinal symptoms. It does not replace advanced investigations like colonoscopy or imaging, but it provides valuable initial clues about what might be wrong.
Why Would a Doctor Recommend a Stool R/E Test?
Your doctor may prescribe a Stool R/E test if you have any of the following symptoms or conditions:
- Diarrhea lasting more than a few days
- Abdominal pain or cramping
- Blood or mucus in your stool
- Suspected parasitic infection (e.g., after drinking untreated water or eating street food)
- Unexplained weight loss accompanied by digestive issues
- Fever with gastrointestinal symptoms
- Routine follow-up after treatment for an intestinal infection
The test helps the doctor identify whether an infection, inflammation, or bleeding is present. It is especially common in rural and urban Bangladesh for evaluating chronic diarrhea or suspected amoebic dysentery.
How Should You Collect a Stool Sample?
Getting a high-quality sample is essential for accurate results. Follow these steps:
- Use a clean, dry container — the lab usually provides a small plastic container with a screw cap. Do not use matchboxes, paper, or glass jars.
- Avoid urine and toilet water — pass urine first, then collect stool onto a clean newspaper or into a bedpan (if at home). Scoop a small amount (about the size of a walnut) into the container.
- Do not touch the inside of the container — keep it sterile.
- Label the container with your name, date, and time of collection.
- Deliver to the lab within 1–2 hours — if you cannot deliver it quickly, some labs accept samples kept refrigerated for up to 6 hours, but confirm with your lab first.
If you are taking antibiotics or antidiarrheal medicines, inform your doctor before collection, as these may affect results.
What Does the Lab Check Under the Microscope?
The Stool R/E test typically includes three parts: physical examination (colour, consistency), chemical examination (pH, occult blood, reducing substances), and microscopic examination. The table below shows the main things the lab looks for and why they matter.
| Category | What it looks for | Why it matters |
|---|---|---|
| Physical | Colour, consistency, mucus, blood | Abnormal colour (black, red) may indicate bleeding; watery stool suggests diarrhea; mucus can signal inflammation. |
| Chemical | Occult (hidden) blood, pH, reducing substances | Occult blood can indicate bleeding in the digestive tract; abnormal pH or reducing substances may suggest malabsorption or infection. |
| Microscopic | Pus cells, red blood cells, parasite eggs, cysts, trophozoites, bacteria, fat globules, undigested muscle fibres | Pus cells and RBCs point to infection or inflammation; parasites confirm infestation; excess fat indicates malabsorption. |
It is important to note that a single test may not capture all parasites — sometimes repeated samples are needed. Always share the full report with your doctor for interpretation.
How to Read Your Stool R/E Test Results
Your report will have columns showing Test and Results with reference ranges. Here are some general pointers (but never self-diagnose):
- Normal: Brown, formed stool; no blood, mucus, pus cells, or parasites seen.
- Abnormal: Presence of blood (occult or visible), pus cells, parasite eggs (e.g., Giardia, Entamoeba histolytica), or excess fat.
For example, finding Giardia lamblia cysts suggests giardiasis, a waterborne infection. Many pus cells with red blood cells may indicate bacterial dysentery or inflammatory bowel disease. However, abnormal results do not confirm a specific disease — your doctor will correlate findings with your symptoms, history, and possibly other tests.
Stool R/E is not a screening test for colon cancer or inflammatory bowel disease on its own; those conditions require colonoscopy and biopsy. If the test suggests bleeding, your doctor will order further investigations.
Stool R/E Test Cost in Bangladesh
Prices for Stool R/E in Bangladesh vary depending on the laboratory, city, and whether it is part of a package. The table below shows approximate ranges for private labs and hospitals. Always confirm the cost before booking.
| Item | Approx. BDT range | Notes |
|---|---|---|
| Basic Stool R/E (standalone test) | BDT 150 – 400 | Available at local diagnostic labs; includes physical, chemical, and microscopic exam. |
| Stool R/E at a premium lab or hospital | BDT 400 – 800 | May include additional tests like occult blood or comprehensive parasite screening. |
| Stool R/E as part of a health package | BDT 300 – 700 (total package) | Often bundled with CBC, urine R/E, etc. |
Note: Prices change over time and may differ between cities (Dhaka typically higher, rural areas lower). Call the lab or hospital before your visit for the current rate.
Find Colorectal Surgeon Doctors by Division in Bangladesh
If your Stool R/E test shows persistent bleeding, abnormal cells, or other concerning signs, a colorectal surgeon specialises in conditions of the colon, rectum, and anus. Use the table below to find qualified colorectal surgeons in your division.
| Division | Find a doctor |
|---|---|
| Dhaka / ঢাকা | Best Colorectal Surgeon Doctors in Dhaka |
| Chattogram / চট্টগ্রাম | Find Colorectal Surgeons in Chattogram |
| Khulna / খুলনা | Colorectal Surgeons in Khulna |
| Rajshahi / রাজশাহী | Verified Colorectal Surgeon Doctors in Rajshahi |
| Rangpur / রংপুর | Find Colorectal Surgeon doctors in Rangpur |
| Sylhet / সিলেট | Colorectal Surgeon Doctors Available in Sylhet |
| Barishal / বরিশাল | Verified Colorectal Surgeon Doctors in Barishal |
| Mymensingh / ময়মনসিংহ | Best Colorectal Surgeon Doctors in Mymensingh |
When Should You See a Doctor?
While the Stool R/E test itself is safe, you should consult your doctor again if:
- Your symptoms continue or worsen — for example, persistent diarrhea, bloody stools, or unexplained weight loss.
- Your test results are abnormal — do not start any medication or home remedy without medical guidance.
- You develop new symptoms such as severe abdominal pain, fever, or vomiting.
- Your doctor recommended a follow-up after treatment — repeat testing may be needed to confirm the infection has cleared.
Remember, this test is a helpful tool, but it is not a diagnosis. Only a qualified clinician can put all the pieces together — your symptoms, history, and test results — to guide you to the right treatment.
Frequently Asked Questions
What is the difference between Stool R/E and Stool Culture?
Stool R/E (Routine Examination) looks for physical, chemical, and microscopic clues such as color, consistency, blood, pus cells, parasites, and fat. Stool Culture is a separate test that grows bacteria in a lab to identify specific infections like cholera, typhoid, or dysentery. Your doctor may order both if an infection is suspected. Always ask your physician which tests you need.
Can I collect the sample in the evening and bring it the next morning?
It is best to collect a fresh stool sample and deliver it to the lab within 1–2 hours. If that is not possible, some labs accept samples stored in a clean, sealed container in a refrigerator (not freezer) for up to 6–8 hours, but parasites and certain cells may degrade over time. Check with your lab for their specific timing and storage instructions. Delayed samples can lead to inaccurate results.
I see ‘pus cells 8–10/hpf’ on my report – is that serious?
Pus cells (white blood cells) in stool often indicate inflammation in the digestive tract. A count of 8–10 per high-power field may suggest a mild intestinal infection, irritation, or conditions like colitis. However, the ‘normal’ range can vary between labs, and results must be interpreted alongside your symptoms. Do not panic; share the report with your doctor, who will decide if further testing or treatment is needed.
Do I need to stop my medicines (like antacids or antibiotics) before the test?
Some medicines can affect stool appearance or lab findings. For example, antibiotics may reduce certain bacteria, and antacids containing bismuth (like Pepto-Bismol) can turn stool black. Iron supplements may also cause dark stool. You should not stop any medication without consulting your doctor. Inform your physician about all medicines you are taking, and follow their specific advice on whether to pause anything before collecting the sample.
How long does it take to get Stool R/E results in Bangladesh?
Most diagnostic labs in Bangladesh deliver Stool R/E results within 24 to 48 hours. Some well-equipped centers may provide same-day reports if the sample is submitted early in the morning. Simple microscopic findings (like parasites or pus cells) are usually reported faster than chemical tests. Always ask the lab for their turnaround time when you submit the sample.
Sources
The following sources are from international journals, government health agencies, or recognized medical organizations:
- Stool test – Mayo Clinic (mayoclinic.org)
- World Health Organization — Stool R/E Test (who.int)
- MedlinePlus — Stool R/E Test (medlineplus.gov)
- CDC — Stool R/E Test (cdc.gov)
- NHS — Stool R/E Test (nhs.uk)
- PubMed — Stool R/E Test (pubmed.ncbi.nlm.nih.gov)
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