They include either Entamoeba hystolytica, E-nana or Giardia lamblia. They can cause uncomfortable symptoms such as loose foul smelling stools and diarrhoea, blood and mucous in stools, abdominal cramps, gas, fever, chills, loss of appetite and nausea.
Diagnosis is made by testing stool samples.
With medication prescribed by your doctor after the stool samples have been examined. Taking drugs like Immodium may help to alleviate the symptoms of diarrhoea for awhile, but it is not a cure. Yes, if you are not careful. Passing on parasites can be prevented by carefully washing hands after bowel movements and cleaning the anal region before sex. During treatment it is fine to participate in some sexual activities, but care must be taken if anal intercourse or rimming is involved.