Hemorrhoids, anal fissures, diverticulosis and colon polyps are the most common causes of blood in the stool, as confirmed by MedicineNet. Blood in the stool ranges in color from bright red to black.
Blood can show up in a person's stool as bright-red blood or as dark-red to black, tarry stool, states Cancer Research UK. Hemorrhoids may cause bright-red blood to appear in a person's stool, while bleeding in the digestive tract may appear as black, tarry stool.
Some of the main causes of blood in the stool are diverticular disease, anal fissures, colitis and angiodysplasia, according to WebMD. Other causes of blood in the stool are peptic ulcers, polyps, cancer or health issues related to the esophagus.
Symptoms that indicate blood in the stool are finding blood in the stool itself or on toilet paper or passing stool that is tarry and black, explains WebMD. Other signs and symptoms are pain in the abdomen, diarrhea, vomiting, heart palpitations and fainting.
Fresh rectal bleeding is usually caused by hemorrhoids or an anal fissure, according to Boots WebMD. The brightness of the blood indicates that the bleeding is fairly recent and near the anus, or somewhere low in the digestive tract, states WebMD.
Red blood in a cat's stool is a symptom of a variety of illnesses, many of which can be life-threatening. Most cases of bloody stool are the result of bacterial infections in the colon and large intestines, with more serious cases being caused by stomach cancer.
A bloody stool is usually the result of straining when going to the bathroom or minor colon irritation. If a kitten regularly produces a stool with blood, it may be the result of parasitic infection, a virus, cancer or a reaction to something it ate.
Large stools are typically caused by constipation, which is a common symptom of conditions such as pregnancy, encopresis and hemorrhoids, according to Healthline, the University of Maryland Medical Center and WebMD. Constipation may also result in large hardened stools that tear parts of the anus, r
In some cases black stool indicates bleeding in the upper intestinal tract or stomach, which requires prompt medical attention, according to Mayo Clinic. Other possible causes of black stool include black liquorice, iron supplements, and medications such as Pepto-Bismol and Kaopectate.
Bright red blood in the stool can be an indication of several conditions, including an anal fissure, polyps, diverticula, Crohn's disease, hemorrhoids, ulcerative colitis, angiodysplasia and cancer, among other conditions. Presence of blood in the stool means that a person is bleeding in the digesti