And your doctor may be able to prescribe medicines to control it. Sweating is how our bodies keep cool. We have sweat glands in the skin over most parts of our body.
They are in the layer of the skin called the dermis. The nerve cells in the dermis control sweating. The amount of sweat we make depends on:. Infection is one of the most common causes of sweating in people who have cancer. Infection can give you a high temperature and your body sweats to try and reduce it. Treating the infection can control or stop the sweating. Changes in hormone levels can cause hot flushes and sweats. Your hormone levels may change because of the cancer itself, or because of treatment such as surgery, chemotherapy, radiotherapy or hormone therapy.
Treatment for breast cancer can put women into an early menopause. For some women, this causes hot flushes and sweats. Women who have already had their menopause can have hot flushes again when they start hormone treatment.
Night sweats may occur even if your room is comfortably cool. This may happen because your body is trying to fight the cancer. Hormone level changes may also be a cause. When cancer causes a fever , your body may sweat excessively as it tries to cool down.
In some cases, night sweats occur due to cancer treatments such as chemotherapy , drugs that alter hormones , and morphine. This includes a fever and unexplained weight loss. Although night sweats are a symptom of some types of cancer, they can also happen for other reasons, such as:. You may be able to reduce or relieve night sweats by pinpointing any triggering lifestyle factors and avoiding them. Check out: Tips for dealing with menopausal hot flashes and night sweats ».
Environmental or lifestyle factors are likely causes. You should see your doctor if night sweats occur regularly and disrupt your sleeping habits. You should consult your doctor if you experience fevers, unexplained weight loss, or other symptoms. When you call to make your appointment, your doctor may ask you to keep a medical diary in the coming days.
You should use this diary to track your symptoms. Each time you have a night sweat, be sure to note what you were doing that day, the temperature in your bedroom, and what you ate or drank before going to bed. At your appointment, your doctor will review your medical history and assess your symptoms.
Your doctor may order blood tests to check your thyroid levels, blood sugar levels, and blood cell counts. The results can help them confirm a suspected diagnosis or help rule out an underlying condition. If you think your night sweats may be a sign of cancer, discuss this with your doctor. Follow these tips to help you have a successful conversation with your doctor:. You should insist that they run tests to find out. How night sweats are treated depends on their cause. Talk with your health care provider about your options.
If one medicine does not work for you, your provider may try another. American Cancer Society website. Managing female sexual problems related to cancer. Updated February 5, Accessed October 24, National Cancer Institute website. Hot flashes and night sweats PDQ - health professional version. Updated September 17, Review provided by VeriMed Healthcare Network.
Editorial team. Cancer treatment: dealing with hot flashes and night sweats. Hot flashes and night sweats can be unpleasant, but there are treatments that can help.
These treatments include some types of: Radiation Chemotherapy Hormone treatment Surgery to remove your ovaries In men, surgery to remove one or both testicles or treatment with certain hormones can cause these symptoms.
Hot flashes and night sweats also may be caused by some medicines: Aromatase inhibitors. Used as hormone therapy for some women with certain types of breast cancer. Strong pain relievers given to some people with cancer. A drug used to treat breast cancer in both women and men. It is also used to prevent cancer in some women.
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