Medical Causes of Night Sweats in Men and Women
Have you ever awoken from a deep slumber, only to find that you’re soaked in sweat? Whether your pillow is sopping wet or your sheets are drenched, sometimes there’s no discernable reason (even when the room is relatively cool and you’re not layered in blankets).
These can be bouts of night sweats with no medical explanation that are more commonly referred to in the medical community as Idiopathic hyperhidrosis. However, there may also be some underlying medical causes behind this nocturnal hyperhidrosis. Let’s take a closer look at 13 of them…
This is a stage in a women’s life when hormonal changes are taking place – namely, a large drop in estrogen. While menopause can cause women to experience “hot flashes” during the day, the same thing can occur while you’re asleep – so you awake damp without knowing a cause, according to WebMD.
More medical professionals are acknowledging what’s being referred to as “male menopause,” which can be temporary (irritable male syndrome) or a permanent drop in testosterone producing symptoms that include feeling too hot and triggering the body to sweat.
2. Certain Medications
Taking certain medications may have a variety of side effects, and one of them is night sweats, according to NHS (operated by the UK government). Prescription antidepressant medications are often the culprit, adds the source.
However, some over the counter painkillers can apparently also trigger nocturnal hyperhidrosis, it adds. For example, aspirin has been linked to nighttime sweating, as has the steroid drug called prednisolone, to reduce inflammation, notes NHS.
3. Low Blood Sugar
When your blood sugar levels get too low, it’s not good – it can trigger problems such as anxiety, dizziness, and blurred vision. It has also been associated with excessive sweating, so if your blood sugar dips in the night, then you may be in for a soggy slumber.
Those who are particularly at risk for night sweating from low blood sugar are those who are taking diabetes medications, according to WebMD. Perhaps talk to your doctor about ways to keep your levels up throughout the night.
4. Bacterial Infections
The Mayo Clinic mentions one infection in particular, called Brucellosis. It is passed from animals to humans, most commonly through unpasteurized milk and other dairy products, according to the source.
This infection can cause night sweats but you’ll likely have other symptoms to get a proper diagnosis, including joint pain, fatigue and fever. The clinic notes this bacterial infection is typically treated with antibiotics, but can take months to eliminate.
Not to make you panic, but in some cases chronic night sweats could be a sign of something more serious, according to the Mayo Clinic. On its list of night sweats causes, the clinic includes leukemia (a blood/bone marrow cancer), Hodgkin’s lymphoma (cancer of the lymphatic system), and Carcinoid syndrome, which the source says is the result of a type of cancerous tumor.
However, you shouldn’t jump to conclusions on this one. If you’re been having night sweats and are concerned about them, make an appointment to see you doctor so they can pinpoint causes.
This is an overactive thyroid, a gland that controls many of your body’s functions including your metabolism. This condition puts too many thyroid hormones into your system, often resulting in anxiety, weight loss, and an “intolerance to heat,” notes MedicineNet.com.
The excessive sweating is the result of your metabolism basically being on turbo. Luckily, there are treatments for this condition, such as antithyroid medications, radioactive ablation, and surgery, adds the source.
7. Nerve Problems
WebMD explains that neurological conditions can lead to an increase in night sweats. The conditions mentioned by the source include autonomic dysreflexia (a sudden increase in blood pressure) and post-traumatic syringomyelia (resulting from a spinal cord injury).
Other neurological issues tied to night sweats include strokes and autonomic neuropathy, which the source explains is “damage to the nerves that help control the involuntary functions of the body.” One of the symptoms can include trouble regulating body temperature and sweating.
8. Idiopathic Hyperhidrosis
This is a problem that can cause you to sweat night and day. While it’s a medically treatable condition, it’s a “condition in which the body chronically produces too much sweat without any identifiable medical cause,” notes WebMD.
However, the same source says there’s “secondary” hyperhidrosis, which is excessive sweating caused by other factors including some we’ve already mentioned such as certain medications, but also anxiety and other medical conditions as well.
9. Alcohol Consumption
Healthline.com notes that consuming alcohol can trigger the night sweats, so be mindful of how much drink you’re downing. “Drinking can increase your heart rate and widen blood vessels in your skin. This can trigger perspiration,” it explains.
What’s more is that only about 10-percent of the alcohol you consume will leave your body in sweat and urine, while the rest is broken down into byproducts, it adds. Night sweats could also be a sign of alcohol withdrawal, which fortunately is only temporary, it notes.
“Night sweats are a common and distressing anxiety symptom,” explains CalmClinic.com. You may have racing thoughts and be up all hours of the night, “dripping in sweat,” it adds.
The night sweats themselves can cause anxiety if you don’t know what the root cause is, it adds. “It’s not uncommon for anxiety to cause night sweats, and it’s also not uncommon for night sweats to cause even more anxiety,” it explains. If you’re concerned about your sweating to the point where you’re losing sleep, see a doctor.
Livestrong.com confirms that sweating at night can be tied to pregnancy. This is due to a hormonal imbalance “that causes their temperature gauge to malfunction,” it adds. These night sweats during pregnancy can be especially intense. “Night sweats can disrupt any woman’s life, but it can be especially difficult for a pregnant woman.”
The part of the brain called the hypothalamus that’s responsible for regulating your internal temperature is affected by deficiencies of estrogen, explains Livestrong. This prompts the hypothalamus to inject chemicals into the blood to dilate blood vessels and release excess heat. “It is common in pregnancy for a woman to experience night sweats accompanied by cold shivering,” it explains.
12. Autoimmune Disorders
Prevention.com says that if you’re having night sweats, you may also have an autoimmune condition – when your immune system mistakenly attacks healthy cells and tissues.
Examples of autoimmune disorders include lupus, which can be mild to life-threatening, as well as rheumatoid arthritis and Celiac disease, adds the source. If you’re having night sweats with no explanation or notice some other changes, check with your doctor, because treating some of these autoimmune conditions early can improve outcome.
MedicalDaily.com explains that being obese can have other associated problems (other than raising your risk of diabetes). While we’ve already mentioned that menopause is 1-possible cause of night sweats, “women who are obese have a more uncomfortable time during menopause,” it adds.
The source was citing a Brazilian study that shows women who are obese have night sweats and hot flashes more often. “This belief basically states that fat insulates the body and helps retain heat, which disrupts the body’s ability to distribute it,” it notes. This link to obesity isn’t exclusive to menopausal women – other sources note anyone who is obese could be at higher risk for night sweats, as well as other problems at night including obstructive sleep apnea.
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