# Visceral Leishmaniasis (Kala-azar)

> A serious sandfly-borne parasitic infection affecting internal organs, fatal without treatment.

**Canonical URL:** https://www.mfamasia.com/condition/visceral-leishmaniasis-kala-azar

**Last updated:** 2026-08-09

Visceral leishmaniasis, also known as kala-azar, is a serious parasitic infection transmitted by the bite of infected sandflies, affecting internal organs such as the spleen, liver, and bone marrow. It is fatal in most cases without treatment.