The Ultimate Sweat Resource

An Explanation of the Causes of Night Sweats

  • Medical disorders that can cause night sweats are as follows:
    • Autonomic neuropathy:

Autonomic neuropathy refers to damage caused to the autonomic nerves which in turn disrupt the involuntary functions like heart beat, perspiration, digestion, etc. As such the perspiration process may be abnormal leading to night sweats.

  • Carcinoid Syndrome:

Carcinoid syndrome refers to a cancerous tumor that secretes chemicals into the bloodstream causing several changes. Night sweating is a possible symptom of carcinoid syndrome.

  • Endocarditis:

Endocarditis refers to an infection caused in the endocardium -  the inner lining of the heart. It’s caused by the spread of bacterial infections from some part of the body such as the intestine and propagates through the blood stream and attacks the heart. As such an infection may cause night sweats.

  • Brucellosis:

It is a bacterial infection that is picked up from animals. It may propagate through consumption of dairy products, or through the air or by coming in contact with infected animals. Fever, chills and night sweats are some of the signs of Brucellosis.

  • AIDS:

AIDS is a chronic ailment  caused by human immunodeficiency virus. It weakens the immune system gradually. Some of the symptoms of AIDS include fever, headache, constant diarrhea, night sweats etc.

  • Hyperthyroidism:

When the thyroid glands secret too much of thyroxin hyperthyroidism occurs. It often leads to increased metabolic rate, rapid weight loss, irregular heart rate, irritation, profuse sweating in the night etc.

  • Leukemia:

Cancer of the bone marrow and the lymphatic system is called leukemia. In case of leukemia the WBC which is the body’s weapons to fight against infections are produced abnormally and may not function as required. Symptoms of leukemia include that of bone pain, enlarged liver or spleen , night sweating etc.

  • Pheochromocytoma:

Pheochromocytoma refers to formation of a non cancerous tumor inside the adrenal glands. The adrenal glands produce hormones which co ordinate all the organs and tissues in the body. Under this condition, the adrenal glands tend to produce excess hormones increasing the heart rate and blood pressure. Profound sweating, anxiety, weight loss, abdominal pains are other major symptoms of pheochromocytoma.

  • Tuberculosis:

Tuberculosis primarily affects the lungs. Bacteria that is responsible for tuberculosis is contagious. People with active tuberculosis take a combination of medicines to fight the infection effectively. Some of the signs of tuberculosis include unexplained weight loss, profuse sweating at night, severe loss of appetite, cough etc.

  • Osteomyelitis:

It refers to an infection in the bone. It can happen on account of exposure of the bone to germs through an injury. Treatment involves surgery to remove the inactive part of the bone. Signs of Osteomyelitis include pain in the infected area along with swelling and redness. Osteomyelitis may also cause excessive sweating at nights.

  • Medications that cause night sweats:

Night sweats is a common side effect of various medications like:

  • Antidepressants
  • Antipyretics which are medications used to lower the body temperature
  • Hormone therapy  which are medications to regulate the hormonal production
  • Hypoglycemic agents which are taken for lowering the blood sugar levels.



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