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Introduction

Night sweats are an occurrence of any excess sweating duringthe night. Excessive sweating during the night is a fairly common thing. Thecauses of night sweating range from harmless conditions to severely seriousdiseases. One of the normal causes of night sweating is heat. The bedroom inwhich one sleeps may be too hot or perhaps one uses too many bedclothes sonight sweating occurs during the sleep.

Causes

Night sweats that occur due to warmsurroundings need to be distinguished from those that occur due to someunderlying medical condition, so they are usually referred to as severe typesof hot flashes. Night sweats which have no relation to an overheatedenvironment drench the sheets and sleepwear and they are very hard todistinguish from flushing which is only characterized by redness and warmth.There are so many different underlying conditions that may trigger excessivesweating during the night. One of them ismenopause. The menopausal transition is commonly accompanied by hot flasheswhich usually occur during the night and cause night sweating. Idiopathichyperhidrosis is one of the rare unexplainable conditions where the bodychronically produces sweat in excessive amounts without any medical cause thatcan be identified easily. Various types of infections can also be the cause ofnight sweating in many cases.

The one that can be commonly associated withnight sweating is tuberculosis. Bacterial infections can also trigger nightsweats. Endocarditis, in which the heart valves get inflamed andosteomyelitis in which the bones get inflamed are some of the bacterialinfections that are known for causing night sweats. Abscesses can also resultin night sweating. HIV also has night sweats on the list of its commonsymptoms. Night sweating may be an indication and an early symptom of certaintypes of cancer. It usually gets associated with lymphoma, among other types ofcancer. If it turns out to be an early cancer symptom, night sweating isusually accompanied by fevers and unexplained weight loss.

Certain types of medications can trigger night sweating as aside effect. It usually occurs when taking antidepressants and other types ofpsychiatric drugs. Acetaminophen, Aspirin and various other drugs that areusually taken to relieve fever can also be the cause of night sweats. Nightsweating can also be a side effect of prednisolone Prednisone and variouscortisone medications. Low blood glucose and hypoglycemia can also be thecauses of excess night sweating. Various hormone disorders are usuallyassociated with unexplained night sweats. Night sweating has also beenconnected to certain neurologic conditions in some cases.

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