Rectal bleeding can show up on your toilet paper or as blood in your stool. It might look fresh and bright red or dark and tarry. These can mean different things.

Black stool is a sign of older blood in your stool. The blood turns black and tarry while traveling through your GI tract from higher up, where it started — usually in your stomach or upper small intestine.

Blood tests check for signs of GI bleeds, such as anemia, using a sample of your blood. Fecal occult blood test (FOBT) is a lab test that checks for signs of blood in a poop sample. CT scan is a sophisticated imaging study that uses technology to produce …

2025年1月14日 · Hematuria is blood in your pee. There are many different causes. A healthcare provider can diagnose the exact cause and recommend the most appropriate treatment.

Coughing up blood involves coughing or spitting up blood or bloody mucus from your lower respiratory tract (lungs and throat). Also called hemoptysis (pronounced “he-MOP-tih-sis”), coughing up blood is common and can have many causes.

Fecal occult blood test (FOBT): This type of stool test looks for traces of blood in your poop. A positive result means you have bleeding somewhere in your digestive tract. FIT-DNA test: Like the FOBT, this stool test detects tiny amounts of blood in your poop.

Amebiasis, or amoebic dysentery, is an infection caused by a parasite that your body sheds through stool. When the parasite gets into your intestine, it can cause symptoms like cramping and diarrhea. Healthcare providers treat amebiasis with antibiotics.

A fecal occult blood test is an at-home screening used to find the tiniest traces of blood in stool, which is a sign that something is wrong in your digestive tract. FOBT is often used for colorectal cancer screening, but a positive FOBT result on its own isn’t a cancer diagnosis.

2022年6月10日 · It may be fresh and bright red, or older, darker and coagulated, like coffee grounds. Hematemesis is a sign of internal bleeding from the upper portion of your digestive tract — the esophagus, stomach and first portion of your small intestine called the duodenum.

2024年1月30日 · Blood in semen is rarely a sign of a serious health problem. Common causes include injuries and popped blood vessels. A healthcare provider can determine the cause.