• Night sweats refers to excessive sweating at night in a not overheated room that results in drenched sleepwear and sheets, thus reducing the quality of sleep.
• Complaints about night sweats are not uncommon at the clinic. For example, patients with tuberculosis and lymphoma may often have typical night sweats.

Causes

• Cancer: Many cancers, including lymphoma and leukemia, may be accompanied by night sweats.
• Infectious diseases: such as tuberculosis, acquired immune deficiency syndrome (AIDS), infectious mononucleosis, endocarditis, etc.
• Endocrine system diseases: such as menopause syndrome, hyperthyroidism, nocturnal hypoglycemia, pheochromocytoma, carcinoid tumors, etc.
• Cardiovascular diseases: such as angina pectoris, Takayasu arteritis, temporal arteritis.
• Drugs: Night sweats may occur when taking certain drugs, such as antipyretics, analgesics, some antihypertensives, some anti-depressants, alcohol or heroin poisoning drugs.
• Others: such as sleep apnea syndrome, gastroesophageal reflux disease, chronic fatigue syndrome, anxiety disorders, etc.

Diagnostic examination

• History and physical examination.
• Chest X-ray examination (excluding tuberculosis).
• Local lymph node biopsy.
• Blood or immunological examination (excluding infections and non-infectious inflammation).
• Female hormone test (excluding menopausal syndrome).
• Thyroxine and thyroid stimulating hormone test.
• Blood glucose monitoring.
• Sleep examination.
• Medical history inquiry.
• Exclude other diseases, such as gastroesophageal reflux.