A study was conducted to assess the knowledge regarding diarrhea and its management among the mothers of under five children in selected community area at Kusugal, Hubball. Thirty (30) mothers were selected by non probability; purposive sampling technique. The knowledge was assessed by using structured interview technique. The study results revealed that in Pre-test majority of the subjects 20 (66.67%) had average knowledge, 4 (13.33%) had good knowledge and 6 (20%) had poor knowledge respectively. Where as in Post-test majority of subjects 26 (86.67%) had good knowledge and 4 (13.33%) had average knowledge respectively regarding the diarrhea and its management.

Keywords: Knowledge; Diarrhea; Planned Teaching Programme.