Short answer: Having hemorrhoids is not a reason to dismiss a positive FIT or use a negative repeat stool test to close the case. A positive result is not a cancer diagnosis, but it needs follow-up to identify the bleeding source, usually with colonoscopy. Contact the clinician or screening service that ordered the test and bring the report. Waiting for next year’s routine screening is not the usual follow-up plan for a positive result.
Which result does this answer cover?
This is mainly about a valid positive fecal immunochemical test (FIT or iFOBT) used for colorectal cancer screening in an adult without symptoms. FIT detects hemoglobin in stool; it does not identify the bleeding site or diagnose cancer. Visible bleeding, anemia, abdominal symptoms, or surveillance after cancer or polyps needs a clinical pathway tailored to that situation.
Check the actual test name. FIT and guaiac-based fecal occult blood testing (gFOBT) have different collection and preparation instructions. A laboratory request to replace an inadequate or unreportable sample is not the same as repeating a valid positive test to try to obtain a negative one.
Why hemorrhoids do not settle the cause
Hemorrhoids can cause bleeding, but so can polyps, inflammation and colorectal cancer. Knowing that hemorrhoids are present does not establish that they explain this result. Equally, finding hidden blood does not establish cancer. MedlinePlus explains that a stool blood test cannot diagnose the cause by itself and that colonoscopy is the most common follow-up examination.
The US National Cancer Institute also advises colonoscopy after a positive stool screening test. It can examine the colon directly and allow biopsy or polyp removal when appropriate. Screening is a process that includes investigating an abnormal result, not just returning a collection kit.
Does a negative repeat FIT cancel a positive one?
No: it does not identify the cause of the earlier positive result. The US Multi-Society Task Force guidance recommends colonoscopy after a positive screening FIT rather than repeating FIT. Give your clinician both reports if you have already repeated the test. Follow a kit’s original multi-sample collection instructions when required, but do not confuse that collection process with follow-up after a reported positive result.
Korean screening schedules versus follow-up
Korea’s National Cancer Information Center guidance, updated August 3, 2026, describes annual stool blood screening for men and women aged 50 or older, with additional colonoscopy according to a positive result. “Annual” does not mean a positive test should wait until next year.
Starting ages, intervals, referral systems and coverage vary internationally. A routine screening interval from another country is not a safe waiting period after an abnormal result or a promise of Korean insurance coverage. Ask the responsible service about the follow-up appointment, preparation and costs.
Individual circumstances and warning signs
If you recently had colonoscopy, have serious medical conditions or had a prior procedure complication, provide the reports and discuss the next step individually. Colonoscopy has risks, including bleeding, perforation and sedation-related problems, so assessment and preparation matter. Those considerations are not a reason to label the positive result as hemorrhoids yourself.
Substantial bleeding, or black tarry stool with fainting, marked dizziness, breathlessness, cold sweats or altered awareness needs immediate medical help rather than a routine screening appointment. Call 119 in Korea or your local emergency number elsewhere. Tell your clinician about visible blood, persistent bowel changes or abdominal pain, and unexplained weight loss.
Do not stop prescribed aspirin or anticoagulants to try to “fix” the result. For planned colonoscopy, disclose all medicines, supplements and medical conditions; obtain the service’s individualized bowel-preparation, fasting and medication instructions.
What to bring and ask
Bring the test name, date and report; previous colonoscopy and polyp pathology reports; bleeding and bowel-symptom history; weight changes; family history of colorectal cancer; and your medication list.
- What follow-up is needed after this positive result, and when should it be booked?
- How do my hemorrhoids and any recent colonoscopy affect the plan?
- Which preparation is appropriate for my medical conditions and medicines?
- When will results be explained, and which symptoms need earlier attention?
Related reading
- Medication and supplement list
- Symptom timeline and visit questions
- Black or tarry stool and gastrointestinal bleeding warning signs
Sources and review date
- Korea National Cancer Information Center: National Cancer Screening Program (Korean; updated August 3, 2026).
- NIH/NLM MedlinePlus: Fecal Occult Blood Test (updated November 25, 2024).
- NCI: Screening Tests to Detect Colorectal Cancer and Polyps (reviewed October 29, 2024).
- NCI: Follow-up colonoscopy after positive FIT (May 5, 2022).
- US Multi-Society Task Force recommendations on FIT (2017).
- NIH/NIDDK: Colonoscopy.
- NIH/NIDDK: Symptoms and Causes of GI Bleeding (reviewed July 2024).
Reviewed October 18, 2026. General health information based on official sources and professional guidance; not an individual diagnosis or test prescription.