Abstract: Rheumatic heart disease is an acute inflammatory reaction involving all layers of the heart resulting amage to the heart rheumatic heart disease. It is a chronic condition characterized by scarring and deformity of heart valves. Rheumatic heart disease cannot be separated from an epidemiological point of view rheumatic fever is a febrile disease affecting connective tissue particularly in the heart and joint initiated by infection of the throat by group A beta haemolytic streptococci. Although rheumatic fever is not a communicable disease.Host and environmental factor of rheumatic heart diseases is typically a disease of childhood and adolescence although it also occurred in adults. Objectives: (1) To assess the level of knowledge regarding prevention of rheumatic heart disease among adults (2). To find out the association between the level of knowledge regarding prevention of rheumatic heart disease among adults with their selected socio demographic variables Methodology: Quantitative research approach and descriptive research design was used. The 50 samples
were selected by Non probability convenience sampling technique, 22 structured questionnaire were used as tool. Results: The study revealed that RHD patients level of knowledge 3(6%) had A+ grade, 1(2%) had A grade, 12(24%) had B+ grade, 24(48%) had B grade, 9(18%) had C grade, 1(2%) had D grade knowledge.
Key words: Keywords: Prevention, Rheumatic Heart Disease Adults.