Objective: The objective of this study was to determine the proportion of IDH and to evaluate its association with fluid overload using Bioimpedance Analysis (BIA). Design and method: A cross-sectional study involving 130 chronic haemodialysis patients in Cipto Mangunkusumo hospital Jakarta. This study is conducted between September to November 2019. IDH was defined as an increase in Mean Arterial Pressure (MAP) of at least 15 mmHg within or after dialysis or an increase of systolic blood pressure more than 10 mmHg after dialysis. Results: The prevalence of IDH was 17,7% (n = 23). There was a trend towards predialysis excess fluid in the IDH group with 10 (45,5%) samples when compared with NIDH with 35 (32,7%) samples respectively; as measured by BCM (p = 0.184). A trend towards use of more than 3 antihypertensives was noted in the IDH group [12 (52,1%) samples versus <3 types was 11 (47.8%) samples; p > 0.000]. On bivariate analysis, post dialysis blood pressure and post dialysis MAP are significantly greater in IDH group, as expected. None of the predialysis blood pressure, BMI, ultrafiltration, and serum sodium were associated with incident of IDH Conclusions: The prevalence of IDH in our treatment centres is 17,7%. Subclinical fluid overload was found higher in IDH patients, although statistically non significant. The use of BIA identifies patients who may benefit from additional UF.