Haemolytic refers to something that is capable of causing or promoting the destruction of red blood cells. This term can be used in various contexts, such as describing a disease state (e.g., haemolytic anemia), a type of reaction (e.g., haemolytic transfusion reactions) or certain types of organisms that produce toxins capable of destroying red blood cells (e.g., Haemolytic Streptococcus).