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Intestinal parasites produce a variety of symptoms in those affected, most of which manifest themselves in gastrointestinal complications and general weakness. [1] Gastrointestinal conditions include inflammation of the small and/or large intestine , diarrhea / dysentery , abdominal pains , and nausea / vomiting .
Human parasites are divided into endoparasites, which cause infection inside the body, and ectoparasites, which cause infection superficially within the skin. The cysts and eggs of endoparasites may be found in feces , which aids in the detection of the parasite in the human host while also providing the means for the parasitic species to exit ...
Pinworm infection (threadworm infection in the UK), also known as enterobiasis, is a human parasitic disease caused by the pinworm, Enterobius vermicularis. [3] The most common symptom is pruritus ani, or itching in the anal area. [1]
Symptoms of lung fluke infections (Paragonimus) depend on the parasite’s stage in its life cycle, and how it travels around in the lung. [9] [3] Trematodiases that impact the lungs can cause cough, headache, chest pain, high temperature and change in appetite. [1] [5] Intestinal trematodiases infect the gastrointestinal tract. [12]
Most infections are light, almost asymptomatic.In heavy infections, symptoms can include abdominal pain, chronic diarrhea, anemia, ascites, toxemia, allergic responses, sensitization caused by the absorption of the worms' allergenic metabolites can lead to intestinal obstruction and may eventually cause death of the patient.
Main article: Human parasite Endoparasites Protozoan organisms Common name of organism or disease Latin name (sorted) Body parts affected Diagnostic specimen Prevalence Source/Transmission (Reservoir/Vector) Granulomatous amoebic encephalitis and Acanthamoeba keratitis (eye infection) Acanthamoeba spp. eye, brain, skin culture worldwide contact lenses cleaned with contaminated tap water ...
These intestinal worms can cause a number of symptoms in people, principally skin symptoms, abdominal pain, diarrhea and weight loss, but also many other specific and vague symptoms in disseminated disease, and severe life-threatening conditions through hyperinfection.
Hookworm infection is an infection by a type of intestinal parasite known as a hookworm. [ 1 ] [ 5 ] Initially, itching and a rash may occur at the site of infection. Those only affected by a few worms may show no symptoms.