What is Blastocystis spp.?
Blastocystis is a common microscopic organism that inhabits the intestine and is found throughout the world. A full understanding of the biology of Blastocystis and its relationship to other organisms is not clear, but is an active area of research. Infection with Blastocystis is called blastocystosis.
What are the symptoms of infection with Blastocystis?
Watery or loose stools, diarrhea, abdominal pain, anal itching, weight loss, constipation, and excess gas have all been reported in persons with Blastocystis infection. Many people have no symptoms at all. The organism can be found in both well and sick persons.
How long will I be infected?
Blastocystis can remain in the intestine for weeks, months, or years.
Is Blastocystis spp. the cause of my symptoms?
The role of Blastocystis in causing disease is controversial among experts. Some types of Blastocystis may be more likely to be associated with symptoms. Finding Blastocystis in stool samples should be followed up with a careful search for other possible causes of your symptoms.
Is having blastocystosis common?
Yes. In fact, many people have Blastocystis in their intestine, some without ever having symptoms.
What should I do if I think I have blastocystosis?
See your health care provider who will ask you to provide stool samples for testing. Diagnosis may be difficult, so you may be asked to submit several stool samples.
Is medication available to treat blastocystosis?
Yes. Drugs are available by prescription to treat blastocystosis. However, sometimes medication is not effective, and a search for other possible causes of your symptoms may be necessary.
How did I get blastocystosis?
How Blastocystis is transmitted is not known for certain, although the number of people infected seems to increase in areas where sanitation and personal hygiene is not adequate. Studies have suggested that risk of infection may increase through:
How can I prevent infection with Blastocystis?
Should I be concerned about spreading infection to the rest of my household?
There is little risk of spreading infection if you practice adequate personal hygiene. This includes thorough hand washing with soap and warm water after using the toilet and before handling food.
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Acetate, Akkermansia muciniphila, Anaerotruncus colihominis, Anaerotruncus colihominis/massiliensis, Ancylostoma/Necator (Hookworm), Ascaris lumbricoides, Bacteroides uniformis, Bacteroides vulgatus, Bacteroides-Prevotella group, Barnesiella spp., Beta-glucuronidase, Bifidobacterium longum, Bifidobacterium longum subsp. longum, Bifidobacterium spp., Blastocystis spp., Butyrivibrio crossotus, Calprotectin, Candida albicans/dubliniensis, Capillaria philippinensis, Cholesterol, Citrobacter species, Clostridium spp., Collinsella aerofaciens, Coprococcus eutactus, Cryptosporidium parvum/hominis, Cyclospora cayetanensis, Desulfovibrio piger, Dientamoeba fragilis, Entamoeba histolytica, Enterobacter cloacae, Enterobius vermicularis, Enterococcus faecalis, Eosinophil Protein X, Escherichia coli, Faecalibacterium prausnitzii, Fecal Color, Fecal Consistency, Fecal Fat, Total, Fecal Occult Blood, Fecal secretory IgA, Firmicutes/Bacteroidetes (F/B Ratio), Fusobacterium spp., Giardia, Klebsiella oxytoca, Klebsiella species, Lactobacillus spp., Long-Chain Fatty Acids, Methanobrevibacter smithii, n-Butyrate %, n-Butyrate Concentration, Odoribacter spp., Oxalobacter formigenes, Pancreatic Elastase 1, Phocaeicola vulgatus, Phospholipids, Prevotella spp., Products of Protein Breakdown (Total), Propionate, Proteus mirabilis, Pseudoflavonifractor spp., Roseburia spp., Ruminococcus bromii, Ruminococcus spp., Short-Chain Fatty Acids (SCFA), Total, Triglycerides, Veillonella spp., Zonulin Family Peptide