Diarrhea - Diagnosis

Diagnosis of diarrhea includes:

1. Physical examination:

  • Your doctors will examine the stool whether it is watery or bloody.
  • Whether you have contact with a person having diarrhea.
  • Whether you have travelled abroad to check for infections that you might have contracted.
  • The food you have eaten to check for food poison.
  • Also check for other symptoms such as fever.
  • Check for stress or anxiety.
  • Consider your medical history and medication that you are taking.

2. Stool test:

Your doctor may recommend for stool culture to check for bacteria, parasites, or signs of disease that cause the diarrhea.

3. Blood test:

Your doctor may recommend for a blood test to check whether other health conditions is causing the diarrhea.

4. Rectal examination:

Your doctor may recommend for rectal examination for unexplained persistent diarrhea, particularly if you are over 50.  It is used to check for any abnormalities and conditions that affect your rectum and bowel.

5. Other tests:

  • Sigmoidoscopy: By using an instrument called sigmoidoscope(it is a thin tube with small camera and light at the bottom) is inserted into your bowel for further determination of causes.
  • Colonoscopy: It is the similar procedure with lager tube to examine the complete bowel.
  • Imaging tests:It is used to check for inflammation and structural abnormalities of the intestine.
  • Fasting tests: It is to determine whether a food intolerance or allergy is the cause of diarrhea.

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