What are the symptoms of a protozoan disease?

Infected individuals may be asymptomatic or have gastrointestinal signs and symptoms, sometimes accompanied by weight loss. Common symptoms, which appear one to three weeks after exposure, include diarrhea, nausea, stomach cramps, gas, greasy stool (because fat absorption is being blocked), and possible dehydration.Click to see full answer. Furthermore, what are 2 diseases caused by protozoans?Most protist diseases in humans are caused by protozoa. Protozoa make humans sick when they become human parasites. Trypanosoma protozoa cause Chagas disease and sleeping sickness. Giardia protozoa cause giardiasis, and Plasmodium protozoa cause malaria.Also, how do you get a protozoan infection? Infections caused by protozoa can be spread through ingestion of cysts (the dormant life stage), sexual transmission, or through insect vectors. There are many common—and not so common—infections caused by protozoa. Besides, what are protozoa diseases? Protozoan infections are parasitic diseases caused by organisms formerly classified in the Kingdom Protozoa. Many of the most prevalent and deadly human diseases are caused by a protozoan infection, including African Sleeping Sickness, amoebic dysentery, and malaria.What is the most common protozoan disease worldwide? Parasitic and Protozoal Leishmaniasis is a relatively common protozoal infection worldwide. The most prevalent species causing disseminated leishmaniasis is Leishmania donovani.