Night sweats and nausea can be caused by various conditions, including hormonal changes, immunosuppression, sleep apnea, medication side effects, low blood sugar, neurological disorders, food allergies, and stress. It’s important to see a doctor if symptoms persist, and treatment of the underlying cause can resolve symptoms.
Night sweats and nausea can be caused by a number of different conditions. Sometimes, people experience a handful of nights of poor sleep accompanied by sweating and nausea due to stress or minor infections, and they aren’t necessarily a cause for concern. It’s important to see a doctor for evaluation and exploration of treatment options if these symptoms persist, as they can be a sign of an underlying medical problem. If other symptoms are also present, such as daytime problems with sweating and nausea, fever, headache, and so on, these can be important diagnostic clues.
Hormonal changes are a very common reason people develop night sweats and nausea. Menopause often begins with these symptoms, and people with hormonal disorders, including cancers of the endocrine system, can develop them as their bodies struggle to regulate at night. Another common cause is immunosuppression, which can be caused by an infection in the body that eats up the resources of the immune system, acquired immune deficiency syndrome (AIDS), lymphoma, and a variety of other conditions. They can also be the result of taking immunosuppressive drugs for cancer treatment or organ transplants.
Sleep apnea is associated with night sweats and nausea, as are migraines. Some medications can cause night sweats and intestinal discomfort, including some antibiotics, antidepressant medications, and steroids used to treat inflammation. Low blood sugar is another common cause, particularly in people with diabetes. Managing blood sugar levels before bed more effectively can sometimes solve the problem.
Some neurological disorders also cause these symptoms. Also, people who react to foods they’re allergic to, meals that upset the stomach, or high caffeine intake may sweat during the night and may feel nauseous. As discussed above, stress can be another cause. People living in a state of high stress often experience gastrointestinal symptoms and may have problems with thermoregulation, leading to night sweats.
When people see a doctor about night sweats and nausea, it’s helpful to be able to tell how long they’ve been happening and provide information about other symptoms. Any major life changes should also be documented to see if they are responsible. Treatment of the underlying cause should resolve symptoms, and some patients also benefit from antinausea medications and other measures to help them feel more comfortable during the diagnosis and treatment process.
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