Do Night Sweats Cause Weight Loss

by Patty Allen


According to the American Cancer Society, significant weight loss most often occurs with cancers that affect the stomach, pancreas, esophagus, and lungs.

Do you lose weight during night sweats?

Health experts claim that water loss from breathing and sweating can account for up to 83% of weight loss during sleep. The amount of water people lose overnight varies because not everyone has the same metabolic rate.

When should I worry about weight loss and night sweats?

Schedule a visit with your health care provider if night sweats: Occur regularly. It interrupts your sleep. They are accompanied by fever, weight loss, pain in a specific area, cough, diarrhea or other concerning symptoms.

What happens to your body when you have night sweats?

Night sweats, like hot flashes, are often linked to hormonal changes that prevent the brain from regulating body temperature. Night sweats are common during menopause, perimenopause, during pregnancy, and (in some cases) at certain times in your menstrual cycle.

What types of cancer cause night sweats and weight loss?

Leukemia and lymphoma are among the cancers associated with night sweats. Those associated with leukemia usually occur with symptoms such as fatigue, weight loss, or excessive bruising. Leukemia-related sweats can also be the result of daytime fevers.

Why are night sweats a red flag?

Night sweats can be a manifestation of a simple infection, an underlying malignancy, more complex infections such as tuberculosis and HIV, connective tissue disorders, menopause, or certain prescription medications . It is also important not to overlook possible psychological causes, such as night terrors secondary to PTSD.

What is the main reason for night sweats?

But sometimes there’s a fine line between being comfortable and overheating. According to Dr. Ram, the most common reasons for night sweats are: bedding, sleepwear, or even a mattress that doesn’t “breathe” an overly warm sleeping environment.

What do night sweats and weight loss mean?

Night sweats and unintentional weight loss can sometimes indicate a chronic infection such as tuberculosis. In rare cases, other conditions can cause these symptoms. If you are concerned about unintended weight loss, it is important to seek the advice of your doctor.

Does anyone tell you about night sweats?

Menopause, low blood sugar and fever can cause night sweats. The same goes for certain medications, including antidepressants and steroids. If the temperature of your clothes or your room causes you to sweat, it is not considered a night sweat. Night sweats are unpleasant, but most of the time they are harmless.

What does it mean when you wake up completely drenched in sweat?

Causes of night sweats

drugs: certain antidepressants, steroids and painkillers. low blood sugar (hypoglycaemia) use of alcohol or drugs. a harmless condition called hyperhidrosis that causes you to sweat excessively all the time.


Your thyroid gland controls your metabolism, so when you make too many hormones, your body goes into overdrive. Your body temperature rises and you may feel hungrier or thirstier, have a rapid pulse or shaky hands, feel tired and sick, have diarrhea and lose weight.

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