Drug information of Barium sulfate
Barium sulfate (or sulphate) is the inorganic compound with the chemical formula BaSO4. It is a white crystalline solid that is odorless and insoluble in water. It occurs as the mineral barite, which is the main commercial source of barium and materials prepared from it. Barium sulfate is a Radiographic Contrast Agent. BARIUM SULFATE is a compound used as an x-ray contrast medium .Contain sachet , suspension and powder.
Mechanism of effect
Barium sulfate increases the amount of X-ray absorption when passing through the body. It therefore reveals the shape and structure of the digestive system.
This drug is not absorbed from the gastrointestinal tract if it is pure. After oral ingestion, the esophagus, stomach and duodenum are immediately detected, but it takes about 90-15 minutes to detect the small intestine. After using the medicine in the form enema, the colon is immediately visible.
Elimination : excretion unchanged from feces.
Barium sulfate is used as X-ray contrast agent for radiographic examination and computer tomography of different parts of the gastrointestinal tract.
For radiography from the upper gastrointestinal tract, 450-40 grams orally is used.
For radiography of the colon, 150-750 gram is used in form of enema.
Drug contraindicationspregnancy , intestinal obstruction
This medicine should not be used in case of obstruction of the large intestine or perforation in the intestinal tract, the probability of pregnancy or dehydration.
Side effectsintestinal obstruction , peritonitis
There is a risk of constipation, dense stool aggregation, intestinal obstruction and appendicitis after ingestion (oral or enema). Perforation of the intestines by medication may also lead to peritonitis, intestinal adhesions and death. Inhaling this powder causes lung disease.
Oral medications that a person has used before should not be ingested on the test day and until the end of the test.
Several hours before the patient's test should be fast (no one can eat and can not drink).
should be used with caution in case of ulcerative colitis and Chronic diverticulitis.
Points of recommendation
Avoid eating and drinking several hours before the test.
Use of barium sulfate is not recommended until 2-1 weeks after colon and rectum sampling.
After the radiation test, in order to prevent the accumulation of stool, the patient should receive large quantities of fluids. Sometimes laxatives may also be necessary.
This drug should be used with caution in patients with allergies, asthma, fibrosis.