Schistosomiasis (patient information): Difference between revisions
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==What to expect (Outlook/Prognosis)?== | ==What to expect (Outlook/Prognosis)?== | ||
Treatment before significant damage or severe complications occur usually produces good results. | |||
==Possible complications== | ==Possible complications== | ||
Revision as of 13:56, 11 October 2012
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Schistosomiasis |
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Schistosomiasis On the Web |
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For the WikiDoc page for this topic, click here
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-In-Chief:; Assistant Editor(s)-In-Chief:
Overview
Schistosomiasis is infection with a type of Schistosoma parasite.
What are the symptoms of Schistosomiasis?
Symptoms vary with the species of worm and the phase of infection.
- Heavy infestation (many parasites) may cause fever, chills, lymph node enlargement, and liver and spleen enlargement.
- Initial invasion of the skin may cause itching and a rash (swimmer's itch). In this condition, the schistosome is destroyed within the skin.
- Intestinal symptoms include abdominal pain and diarrhea (which may be bloody).
- Urinary symptoms may include frequent urination, painful urination (dysuria), and blood in the urine (hematuria).
What causes Schistosomiasis?
You get a schistosoma infection through contact with contaminated water. The parasite in its infective stages is called a cercaria. It swims freely in open bodies of water.
On contact with humans, the parasite burrows into the skin, matures into another stage (schistosomula), then migrates to the lungs and liver, where it matures into the adult form.
The adult worm then migrates to its preferred body part, depending on its species. These areas include the bladder, rectum, intestines, liver, portal venous system (the veins that carry blood from the intestines to liver), spleen, and lungs.
Schistosomiasis is not usually seen in the United States. It is common in many tropical and subtropical areas worldwide.
Who is at highest risk?
Diagnosis
- Antibody test to checks for signs of schistosome infection
- Biopsy of tissue suspected of being infected
- Complete blood count (CBC) to check for signs of anemia
- Eosinophil count to measure the number of certain white blood cells
- Stool examination to look for parasite eggs
- Test for schistosome eggs in stool and urine
- Urinalysis
When to seek urgent medical care?
Treatment options
This infection is usually treated with the drug praziquantel. If the infection is severe or involves the brain, corticosteroids may be given.
Where to find medical care for Schistosomiasis?
Directions to Hospitals Treating Condition
Prevention
What to expect (Outlook/Prognosis)?
Treatment before significant damage or severe complications occur usually produces good results.
Possible complications
- Bladder cancer
- Chronic kidney failure
- Chronic liver damage and an enlarged spleen
- Colon (large intestine) inflammation with bloody diarrhea
- Kidney and bladder obstruction
- Pulmonary hypertension
- Repeated blood infections can occur, because bacteria can enter the bloodstream through an irritated colon
- Right-sided heart failure
- Seizures