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Overview of Night Sweats: Meaning, symptoms, causes & treatment

Team AckoJan 17, 2024

Night Sweats (NS) refer to excessive sweating during the night that can soak through your clothes or bedding, even if your room is cool. This is a common problem and can be caused by a number of factors. So, it is important to see a doctor if you experience NS, especially if they are accompanied by other symptoms like fever, weight loss, or cough, which could indicate an underlying health condition. Read ahead to get an overview of Night Sweats along with frequently asked questions.




Symptoms of Night Sweats

Night Sweats are a common occurrence and may be caused by a variety of factors, such as medications, hormonal changes, or infections. If you experience NS, the following symptoms may accompany them.

  • Excessive sweating during sleep

  • Bedding, pyjamas, or sheets drenched in sweat

  • Chills or fever

  • Unexplained weight loss

  • Fatigue and weakness

  • Headaches or migraines

  • Muscle aches and pains

  • Nightmares or insomnia

Possible causes of Night Sweats

NS are episodes of excessive sweating that occur when one is asleep. They can be caused by a variety of factors, which are as follows.

1. Medical conditions

  • Infections: NS can be a symptom of a variety of infections, including HIV, endocarditis and TB.

  • Hormonal disorders: Hormonal imbalances, such as those associated with menopause or hyperthyroidism.

  • Cancer: NS can be a symptom of certain types of cancer, such as lymphoma or leukaemia.

  • Neurological conditions: Disorders of the autonomic nervous system, such as Parkinson's disease or stroke.

2. Medications

Certain medications, such as antidepressants, hormone therapy drugs, and fever reducers, can cause NS as a side effect.

3. Lifestyle factors

  • Environmental temperature: Sleeping in a hot room or using too many blankets.

  • Stress and anxiety: Stress and anxiety can cause the body to produce excess cortisol.

  • Sleep disorders: Conditions like sleep apnea or restless leg syndrome.

Understanding the potential causes of NS can help individuals identify the underlying issue and seek appropriate treatment.

Diagnosis of Night Sweats

Night Sweats can be a symptom of several underlying medical conditions. A thorough diagnosis involves the following.

  • Medical history: The doctor will ask you about your medical history, including any medications you are taking and whether you have any other symptoms.

  • Physical examination: The doctor will perform a physical exam to check for signs of infection or other medical conditions.

Diagnostic tests

The doctor may order the following tests to identify the underlying cause of your NS.

  • Blood tests: These include tests to evaluate hormone levels, liver and kidney function, and infection.

  • Imaging tests: These include imaging of the chest and abdomen to look for any abnormalities or tumours that could be causing the NS.

  • Diagnostic tests: These may include tests for infectious diseases, such as tuberculosis or HIV, or other tests to evaluate your immune system.

Each test provides valuable information that can help the doctor determine the underlying cause of your NS and develop an appropriate treatment plan.

Treatment of Night Sweats

NS can be treated using various methods. These methods are listed below in detail.

1. Treating the underlying condition

Night Sweats can be a symptom of an underlying health issue. Treating the underlying cause can help relieve this condition.

2. Medications

Some medications can relieve NS. Hormone therapy and antidepressants are two commonly used medications.

  • Hormone Therapy: It is used to treat menopause-related NS. Oestrogen therapy is the most effective treatment.

  • Antidepressants: Antidepressants such as fluoxetine and venlafaxine may help reduce hot flashes and NS.

3. Lifestyle changes

Incorporating the following lifestyle changes can help you when it comes to NS.

1. Sleeping environment

Creating a comfortable sleeping environment is essential to reduce NS. One can do this by keeping the room cool, using a fan/air conditioner, and keeping the bedding light.

2. Relaxation techniques

Meditation, deep breathing exercises and yoga can reduce stress and hot flashes, leading to a reduction in NS.

3. Exercise

Regular exercise can help reduce Night Sweats. It is recommended to engage in moderate exercise for at least 30 minutes a day. 

4. Diet and nutrition

Certain foods or drinks can trigger hot flashes and Night Sweats. It is important to avoid these triggers, such as caffeine and alcohol, and to maintain a healthy, balanced diet. Drinking plenty of water and staying hydrated is also crucial.

5. Cool beverages

Drink cold water or other cool beverages before bedtime to help lower your core body temperature. Avoid alcohol and caffeine, as they can increase body temperature and cause sweating.

6. Natural supplements

Take natural supplements that can help regulate your body temperature, such as black cohosh or evening primrose oil. These supplements can also help with hormonal imbalances that may be causing this condition. Also, you can try relaxation techniques, such as yoga or meditation, to reduce stress and anxiety, which can also contribute to Night Sweats.

By following these ways, one can effectively manage and reduce Night Sweats.

Prevention of Night Sweats

Night Sweats can be a disruptive symptom of several medical conditions. To prevent NS, follow these steps:

1. Avoiding triggers

Certain triggers such as spicy food, caffeine, nicotine, and alcohol can cause NS. Avoid these triggers to limit the chances of experiencing NS.

2. Maintaining a healthy lifestyle

Maintaining a healthy lifestyle can also help prevent NS. This includes eating a balanced diet, staying hydrated, exercising regularly, and avoiding stress.

3. Follow-up care

If Night Sweats persist despite attempts to prevent them, it's important to follow up with a doctor for further evaluation and treatment. Your healthcare provider can diagnose and treat any underlying medical conditions that may be causing this condition. They may also recommend additional lifestyle changes or medications to help manage your symptoms. Regular check-ins with your provider can help ensure that you're on the right track to preventing Night Sweats and maintaining overall health and wellness.

Frequently asked questions

Here is a series of some queries along with their answers related to Night Sweats.


How long do Night Sweats last?

The duration of Night Sweats varies depending on the underlying cause. They can last for a few nights, a few weeks, or persist for months or even years.

What is the difference between Night Sweats and hot flashes?

Night Sweats and hot flashes are similar in that they both involve sudden flushing of heat in the body accompanied by sweating. However, there are a few key differences between the two. Hot flashes are usually felt during the day and can last from a few seconds to several minutes. On the other hand, Night Sweats occur exclusively at night and can disrupt sleep. Additionally, hot flashes might be triggered by certain foods or activities, while NS are often linked to medical conditions such as menopause or hyperthyroidism.

When should I visit a doctor?

If attempts to prevent NS fail and they continue to persist, it is important to visit a doctor for further evaluation and treatment. Also, if NS are accompanied by other symptoms such as fever, chills, or unexpected weight loss, it could be a sign of a more serious underlying condition and should be evaluated by a healthcare professional. It's important to stay proactive about your health and seek medical attention when necessary to ensure proper care and treatment.

What are some common medical conditions that can cause Night Sweats?

Night Sweats can be a symptom of several medical conditions, including menopause, infections (such as tuberculosis or HIV), anxiety disorders, certain medications, and cancer.

Can certain medications cause Night Sweats?

Yes, certain medications such as antidepressants, hormonal therapies, and drugs used to lower fever can cause NS as a side effect.

Are there any home remedies that can help alleviate Night Sweats?

Some people find relief from NS by using a fan or air conditioning, wearing lightweight clothing to bed, keeping a cool glass of water nearby, and practising relaxation techniques such as deep breathing or meditation to reduce stress.

Can men experience Night Sweats?

Yes, although Night Sweats are more commonly associated with women going through menopause, men can also experience Night Sweats as a symptom of certain medical conditions or medications.

Is it possible to prevent Night Sweats from occurring?

While it may not be possible to prevent NS entirely, making certain lifestyle changes, such as avoiding triggers, maintaining a healthy lifestyle, and following up with a healthcare professional can help reduce the frequency and severity of NS.

Can Night Sweats be a sign of a serious underlying medical condition?

Yes, NS can be a symptom of several serious medical conditions such as cancer or infections, especially when accompanied by other symptoms.


Disclaimer: The content on this page is generic and shared only for informational and explanatory purposes. Please consult a doctor before making any health-related decisions.


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