Other Tests to Help Detect Giardiasis or Similar Conditions
Other tests may be done to help your doctor detect
giardiasis or other organisms that may be causing
long-term symptoms, especially if problems with
malabsorption are occurring.
upper gastrointestinal (UGI) series or a
biopsy of the
duodenum often is not specific enough to help in
diagnosing giardiasis. But a biopsy may reveal organisms other than
Giardia lamblia, such as cryptosporidium or
microsporidium, or the presence of a condition such as
The doctor may collect a sample of fluid or tissue from the duodenum
- A person has low levels of immune proteins in the
- A person has
AIDS and chronic diarrhea, but Giardia lamblia or other parasites are not found in the stool
- A person has long-term diarrhea, but prior tests have not
determined a cause.
- Multiple diseases or causes are being
considered, and more tests will help clarify the diagnosis.
|Primary Medical Reviewer||E. Gregory Thompson, MD - Internal Medicine|
|Specialist Medical Reviewer||W. David Colby IV, MSc, MD, FRCPC - Infectious Disease|
|Last Revised||September 9, 2011|