Normal feces have a certain odor, which is caused by bacteria breaking down food, causing sputum, skatole, hydrogen sulfide and the like. Under pathological conditions, there may be malodors, found in enteritis, rectal cancer, pancreatic diseases or severe diarrhea; acid odor, from organic acids produced by abnormal fermentation of fat or sugar.

Basic Information

Specialist classification: Digestive examination classification: feces / parasitic examination

Applicable gender: whether men and women apply fasting: not fasting

Tips: The smell of feces can be affected by factors such as the type, quantity and drug of the food. You need to stop taking the medicine before the test. Normal value

Fecal smell.

Clinical significance

Abnormal results:

(1) Acid odor starch or sugar indigestion.

(2) malodorous chronic pancreatitis, malabsorption.

(3) rancid rectal cancer ulceration.

(4) bloody taste necrotic enteritis.

Precautions

Preparation before inspection:

The smell of feces can be affected by factors such as the type of food, the amount of the drug, and the drug. You need to stop taking the medicine before the test.

Requirements for inspection:

Tell the doctor about the history of the drug.

Not suitable for people:

Regular inspection, there is no inappropriate population.

Inspection process

The direct olfactory method infers from the smell of the feces which part of the patient has a problem.

Not suitable for the crowd

Regular inspection, there is no inappropriate population.

Adverse reactions and risks

This test itself does not cause complications and harm.