Leishmania amazonensis is a parasite responsible for the disease leishmaniasis.

[1] They have also been known to spread throughout the Brazilian Amazon region due to their ecological niches needed for survival and reproduction.

[citation needed] However, when the host is infected, the Leishmania can cause 3 different forms of Leishmaniasis.

Cutaneous leishmaniasis is commonly characterized with skin lesions, which can appear localized, or throughout the body.

While mucocutaneous leishmaniasis is characterized with ulcers around the skin, mouth, and nose.