What diseases does a hematologist treat?

Hematology is a medical specialty that focuses on the study of blood and the circulatory system, which play vital roles in the body's functioning. Hematologists are medical specialists who diagnose, treat, and conduct research on various diseases that affect this crucial system. In this article, we will explore the most common and significant diseases that are treated within the field of hematology.

Who is a hematologist?

A hematologist is a medical specialist who specializes in examining and treating conditions related to the blood, the circulatory system, and the hematopoietic system. Their responsibilities include diagnosing and developing treatment plans for diseases such as anemia, leukemia, and hemophilia. Hematologists perform their work in various medical settings, including laboratories where they analyze blood test results, as well as hospitals and private clinics.


Anemia is the most common hematological disease. It is characterized by a deficiency of red blood cells or reduced levels of hemoglobin, which is the protein responsible for transporting oxygen through the red blood cells. There are several types of anemia, each with different causes and symptoms. Some of the most common types include iron deficiency anemia, sickle cell anemia, and vitamin B12 deficiency anemia. The treatment of anemia depends on the underlying cause and may involve supplementation with appropriate nutrients, antimicrobial drugs, or blood transfusion.


Leukemia is a group of malignant diseases that affect the cells in the blood or bone marrow, where new blood cells are produced. It results in the uncontrolled proliferation of abnormal, immature white blood cells that crowd out healthy blood cells and weaken the body’s immune system. The treatment of leukemia primarily involves chemotherapy, targeted therapy, or bone marrow transplantation, depending on the specific type and stage of the disease.


Lymphomas are a group of cancers that affect the lymphatic system, with two main types: Hodgkin’s lymphomas and non-Hodgkin’s lymphomas. These diseases are characterized by the abnormal development of lymphocytes, the cells of the lymphatic system. Cancer cells can form tumors as they spread throughout the body, resulting in enlarged lymph nodes. The treatment of lymphoma is diverse and often includes chemotherapy.


Hemophilia is a genetic disease that leads to blood clotting disorders. Hematologists are responsible for managing clotting factor replacement therapy, which is administered to patients with hemophilia to control and prevent bleeding episodes.

Make an appointment:



What symptoms warrant a visit to a gastroenterologist?

A gastroenterologist is a specialist who deals with the diagnosis and treatment of disorders of the digestive system. When is it worth seeing a gastroenterologist? In this article, we will discuss various symptoms and situations that may indicate the need for a visit to this specialist.

Read more »

How can a neurologist help us?

A neurologist is a specialist who deals with the diagnosis, treatment, and prevention of diseases of the nervous system. Patients who seek the help of a neurologist may complain of various symptoms such as numbness in the limbs, headaches, memory problems, loss of balance, or seizures. In this article, we will examine how a neurologist can assist patients in dealing with various health issues and what modern treatment methods are used in this field of medicine.

Read more »

Depression – causes, symptoms, treatment

Depression is a mental disorder that can have a noticeable impact on one’s health, quality of life, and functioning. In this article, we will focus on the causes of depression. Considering the increasing number of cases worldwide, understanding the causes of this disorder is crucial for developing effective treatment strategies.

Read more »