Diseases caused by parasites are less than a described as parasitic. A parasite is an organism that is more or less depends on another organism (a host), in order to survive. It is said that the live in symbiosis with the host. It distinguishes between external (ectoparasites) and internal parasites (endo).
External parasites are typically found on the surface, such as skin and hair, while internal parasites found inside the host, for example. in the gut.
There are countless transmission of the various parasites, but as a rule in our latitudes, it is typically through contact with animals (dogs, cats, hamsters, for example.) Which are carriers of certain parasites (for example, tapeworm and toxoplasmosis ). People can also infect one another in close contact with the same clothes or linen (for example. louse , pinworm and scabies ). The affected can also infect themselves and thereby maintain the infection.
The treatment of the parasite can be seen in the respective diseases.