Diarrhea is more common in life anorectal disease , how it even diarrhea ? Diarrhea is the most common symptom of colorectal disease. Bowel habits vary, some once a day , some twice a day, forming, Secheng brownish yellow, as long as no outside with a small amount of pus and mucus , are considered normal . Diarrhea is the normal bowel habits have changed significantly increased number of bowel movements . Stool thinning, shape, color , odor change , with pus , mucus , digestive residues, fat or lean water turns yellow , green thin paste , sour smell . Abdominal pain during bowel movements , falling , tenesmus , anal burning and other symptoms. Clinically, when you have these three characteristics is available called " diarrhea ."
Causes and mechanisms of diarrhea are many, are summarized as follows :
1 infection: This is the most common cause of diarrhea , a variety of bacteria, fungi , viruses, protozoa and helminths parasites , into the digestive tract after oral under certain conditions can cause diarrhea. Because of different parts and pathogenic mechanisms , clinical manifestations are different.
2 , gastrointestinal cancer and inflammation: advanced gastric cancer , colorectal cancer, chronic atrophic gastritis , ulcerative colitis , Crohn's disease , hemorrhagic necrotizing enteritis , radiation proctitis colon , colonic diverticulitis complicated by diverticulitis , colorectal polyps concurrent knot proctitis , etc., can cause chronic or acute exudative diarrhea. Characterized in feces with exudate , mucus and blood , increased frequency of defecation , stool culture , but no growth of pathogenic bacteria .
3 , abnormal bowel movement : hyperactive intestinal peristalsis , stool through time is shortened, the impact of moisture absorption, can cause diarrhea, appendicitis , diverticulitis, bowel obstruction can sometimes partially reflective so that the junction bowel hyperactivity and diarrhea, carcinoid syndrome, serum secreted Su , mastocytosis secretion of histamine , gastrin secretion gastrinoma , medullary thyroid carcinoma secretion of prostaglandins , serotonin , and low calcitonin , etc., can make bowel movements increased, causing diarrhea.
4 , malabsorption : poor intestinal absorption of fat is a common cause of diarrhea. Characterized by pale yellow or gray stool , oily paste -like , smell the stench . The formation of the so-called steatorrhea , celiac disease and so on.
5 , poisoning : food poisoning, food poisoning , such as Staphylococcus aureus exotoxin caused by mushroom poisoning , puffer fish poisoning , toxic chemicals such as arsenic , mercury, phosphorus , alcohol and so on. There are side effects of tetracycline , chlortetracycline , erythromycin and other drugs can cause acute diarrhea. For milk , fish, shrimp , eggs and other allergic reactions , allergic diarrhea may also occur .
6 , endocrine disorders : endocrine disorders such as hyperthyroidism, chronic adrenal function , can also cause diarrhea.
There are many causes of diarrhea , mainly affected by the cold or heat effects of diet , usually more attention to health , resulting in diarrhea prevention.