A total of eighty-one consecutive cases of Kala-azar admitted in all four medicine units of Mymensingh Medical College Hospital during the period from January 2002 to mid August 2002 were included in this study. The number of the patients clearly indicates that the burden of Kala-azar in this region is significant and expanding, which constituted 1.90% of total admission in all 4 medicine units during this period. Majority of the patients were of 20-29 years of age. Male to female ratio was 1.38:1. Maximum number of the patients were of poor socio-economic group with history of housing made up of mud and having close proximity with cattle house. Fever and splenomegaly (100%) were the predominant features. Hepatomegaly was found in 91.36% of the cases. Other clinical manifestations were weight loss (79.01%), normal or increased appetite (65.43%), generalized weakness (72.84%), pallor (69.13%), cough (25.92%), jaundice (17.28%), abdominal Pain (12.34%), hyperpigmentation (9.88%), ascites (4.94%) and bleeding manifestations (4.94%). Notable concomitant illnesses were urinary tract infection (7.40%), pulmonary tuberculosis (3.70%), malaria (1.23%), scabies (4.94%), heart failure (3.70%) and chronic liver disease (2.47%). Due to wide diversity of clinical presentations, clinical features of kala-azar should be evaluated in details which will pave the hidden cases into light.