An abnormally high level of calcium in the blood is called hypercalcemia. It is commonly caused by overactivity of the parathyroid glands (small glands in the neck that help regulate the blood level of calcium).
Cancer may also cause hypercalcemia, either by spreading to bone or by producing abnormal hormones that cause bones to release calcium. Less commonly, the condition may result from too much vitamin D in the diet or from certain inflammatory conditions, such as sarcoidosis (thought to be due to overactivity of the immune system

Othere related diseases

LYMPHADENOPATHY
Swollen lymph nodes Lymphadenopathy is an enlargement of the lymph nodes (sometimes called glands), usually due to an infection or to the proliferation of white...

LYMPHANGITIS
This is an inflammation of lymphatic vessels due to the spread of bacteria from the site of an infection, usually an infected wound. The condition typically aff...

LYMPHEDEMA
In lymphedema, fluid accumulates in the lymphatic vessels, resulting in the painless swelling of a limb. There are various possible causes, including obstructio...

LYMPHOMA
Lymphomas are cancers that develop when lymphocytes (a type of white blood cell) multiply and form tumors in the lymphatic system. They may also spread to other...

MESENTERIC ADENITIS
In mesenteric adenitis, the lymph nodes in the mesentery (the membrane that anchors organs to the abdominal wall) become inflamed. The condition most commonly a...

NOSE BLEED
Nosebleeds often occur in dry or cold conditions, when the lining of the nose becomes dry and cracked, causing bleeding. They are also commonly caused by blowin...

POLYMYALGIA RHEUMATICA
Polymyalgia rheumatica is an inflammatory disorder that mainly affects muscles of the hips, thighs, shoulders, and neck, causing pain, stiffness, and inflammati...

SICKLE CELL DISEASE
Sickle cell disease is an inherited disease in which red blood cells contain abnormal hemoglobin (the substance that carries oxygen to body tissues). This makes...