Leukopenia can be due to inherited autoimmune diseases, or due to immune system deficiency, certain diseases, or the use of certain medications that cause side effects.

On the human body, lymph nodes are distributed in many places such as the collarbone, neck, armpits and groin. The phenomenon of swollen lymph nodes in the neck can warn of many inflammatory diseases or cancers in the organs of the respiratory tract, thyroid gland, larynx and muscles of the head and neck area,...

Most cases of infectious mononucleosis are not serious and are easy to treat. But if the disease is not treated properly, complications can become serious.