Bangkok Hospital
Caret Right
Search
CTA Curve
Find doctors icon
Find doctors
Appointments icon
Appointments
Contact icon
Contact
Call undefined
Menu
  • Select Hospital

  • Language

Doctor not found
Doctor not found
Doctor not found
Doctor not found
Bangkok Hospital
Contact us
View on Google Maps
    Privacy Policy

    |

    Cookie Policy

    Copyright © 2026 Bangkok Hospital. All right reserved


    Network Hospitals Directory
    MEMBER OFBDMS logo

    Rectal Bleeding

    2 minute(s) read
    Information by
    Package Image
    Adjunct Prof. Dr. Art Hiranyakas

    Bangkok Hospital Siriroj

    Updated on: 17 Nov 2025
    Adjunct Prof. Dr. Art Hiranyakas
    Adjunct Prof. Dr. Art Hiranyakas
    Bangkok Hospital Siriroj
    Recommended Packages
    Package Image
    MRI Knee & Shoulder
    Rectal Bleeding
    Bangkok Hospital Phuket
    Updated on: 17 Nov 2025

    There is a possibility of hemorrhoid if you passed stools with blood. However, the blood could be a warning sign of other diseases that may begin with bloody stools. It is more serious than hemorrhoids. It may be a tumor, anal fissures or cancer of the distal colon and symptoms maybe similar. Therefore, don’t hesitate to consult a specialist when you have these symptoms in order to treat the disease in early stage and get a proper diagnosis.

    Hemorrhoids

    are swollen veins in the anus and lower rectum. The veins around the anus tend to stretch under pressure, causing bulge or swelling.

    Hemorrhoids might develop in different locations at the same time. Classified by locations, there are 2 types of hemorrhoids:

    Internal hemorrhoids

    Internal hemorrhoids lie inside the rectum which located above the pectinate line and are covered with cells that are the same as those that line the rest of the intestines. Internal hemorrhoids cannot be typically seen or felt.

    External hemorrhoids

    External hemorrhoids are hemorrhoids that affect veins outside the anus. External hemorrhoids arise below the pectinate line and are covered with cells that resemble skin which are typically slightly less pink than the surrounding skin. External bulges can be seen and touched around the anal area.

    Generally, hemorrhoids are responsible for holding stools and providing sensation around the anus. Hemorrhoids themselves can be a source of unwanted health problems. However, if there is increased pressure around the anus This can be caused by constipation, diarrhea, sitting on the toilet for a long time, lifting heavy objects, or being pregnant.

    Hemorrhoids can be treated both surgical and non-surgical methods depending on the recommendation or the specialist doctor.

    Anal Fissures

    An anal fissure is a tear in the lining of the anus or anal canal (the opening through which stool passes out of the body). The fissure can be painful and may bleed.

    Rectal cancer

    develops when cancer cells form in the rectum, which is part of your large intestine. Rectal cancer affects both men and women, though men are slightly more likely to develop the disease. In most cases, people diagnosed with the disease are over the age of 50.

    Rectal cancer symptoms may include:

    • Rectal bleeding.
    • Blood in your stool (poop).
    • Diarrhea.
    • Constipation.
    • A sudden change in your bowel habits.
    • Narrow stool.
    • Tiredness.
    • Weakness.
    • Abdominal pain.
    • Unexplained weight loss.

    Source: https://my.clevelandclinic.org/health/diseases/21733-rectal-cancer

    Information by

    Doctor Image

    Adjunct Prof. Dr. Art Hiranyakas

    Surgery

    Colon and Rectal Surgery

    Adjunct Prof. Dr. Art Hiranyakas

    Surgery

    Colon and Rectal Surgery
    Doctor profileDoctor profile

    Packages & Promotions

    MRI Knee & ShoulderMRI Knee & Shoulder
    MRI Knee & Shoulder

    10,500 - 10,560 Baht

    Detail
    Affordable Spinal MRI Scan Program Discount 35%Affordable Spinal MRI Scan Program Discount 35%
    Affordable Spinal MRI Scan Program Discount 35%

    10,560 - 17,445 Baht

    Detail
    Affordable Spinal MRI Scan Program After-Hours ServiceAffordable Spinal MRI Scan Program After-Hours Service
    Affordable Spinal MRI Scan Program After-Hours Service

    4,900 Baht

    Detail
    More packages

    Health Info

    More health info

    Health Info

    Advanced Surgical Technologies Image
    Advanced Surgical Technologies
    Immunotherapy Image
    Immunotherapy
    Targeted Therapy Image
    Targeted Therapy
    More health info