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Cancer Health Center

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Hot Flashes and Night Sweats (PDQ®): Supportive care - Patient Information [NCI] - Overview

Hot flashes and night sweats may be side effects of cancer or its treatment.

Sweating is the body's way of lowering body temperature by causing heat loss through the skin. In patients with cancer, sweating may be caused by fever, a tumor, or cancer treatment.

Recommended Related to Cancer


Note: Separate PDQ summaries on Oral Cancer Prevention and Lip and Oral Cavity Cancer Treatment are also available. Benefits There is inadequate evidence to establish whether screening would result in a decrease in mortality from oral cancer. Magnitude of Effect: No evidence of benefit or harm. Study Design: Evidence obtained from one randomized controlled trial. Internal Validity: Poor. Consistency: Not applicable (N/A). External...

Read the Overview article > >

Hot flashes can also cause too much sweating. They may occur in natural menopause or in patients who have been treated for breast cancer or prostate cancer.

Hot flashes combined with sweats that happen while sleeping are often called night sweats or hot flushes.

Hot flashes and night sweats affect quality of life in many patients with cancer.

A treatment plan to help manage hot flashes and night sweats is based on the patient's condition and goals of care. For some patients, relieving symptoms and improving quality of life is the most important goal.

This summary describes the causes and treatment of hot flashes and night sweats in cancer patients.

    This information is produced and provided by the National Cancer Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National Cancer Institute via the Internet web site at http:// cancer .gov or call 1-800-4-CANCER.

    WebMD Public Information from the National Cancer Institute

    Last Updated: 8/, 015
    This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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