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    Night sweats


    Definition of night sweats

    Night sweats are episodes of nighttime sweating that soak your nightclothes or bedding and are related to some underlying cause. You may occasionally awaken after perspiring excessively, particularly if you are sleeping under too many blankets or if your bedroom is too warm. These episodes are usually not labeled as night sweats and, although uncomfortable, typically aren’t a sign of a medical problem.

    Causes of night sweats

    Medications that can cause night sweats

    Night sweats are a common side effect of many medications, such as:

    1. Depression medications (antidepressants)
    2. Drugs used to regulate your hormones (hormone therapy)
    3. Drugs that lower the level of sugar in your blood (hypoglycemic agents)

    Medical conditions that can cause night sweats

    Diseases and conditions that can cause night sweats include:

    1. Anxiety
    2. Autonomic neuropathy (damage to your autonomic nerves)
    3. Brucellosis (a bacterial infection)
    4. Carcinoid syndrome (a syndrome resulting from a certain type of cancerous tumor)
    5. Endocarditis (an infection of your heart lining)
    6. HIV/AIDS
    7. Hodgkin’s lymphoma (Hodgkin’s disease)
    8. Hyperthyroidism (overactive thyroid)
    9. Leukemia
    10. Menopause
    11. Myelofibrosis (a bone marrow disorder)
    12. Non-Hodgkin’s lymphoma
    13. Osteomyelitis (a bone infection)
    14. Pheochromocytoma (a rare adrenal gland tumor)
    15. Pyogenic abscess (a pus-filled cavity caused by an infection)
    16. Sleep disorders (such as obstructive sleep apnea)
    17. Stroke
    18. Syringomyelia (a fluid-filled cyst in the spinal cord)
    19. Tuberculosis

    When to see a doctor

    Schedule a doctor’s visit if night sweats:

    • Occur on a regular basis
    • Interrupt your sleep
    • Are accompanied by a fever or other symptoms, such as unexplained weight loss