Introduction Basophils are a type of white blood cell that plays an important role in the body’s immune response, particularly in allergic reactions and the defense against parasites. While these cells are vital for maintaining health, an elevated level of basophils, known as basophilia, can indicate underlying health issues. Basophilia can result from a variety of causes, ranging from infections and allergic reactions to more serious conditions such as hematologic disorders. Understanding basophilia is important for early diagnosis and effective management of the underlying causes.   What is Basophilia? Basophilia is defined as an abnormally high level of basophils in…