12 Reasons Some Guys Always Feel Hot and Sweaty
Everybody else is reaching for jackets and sweatshirts and you're wishing it was even cooler. Why is it that you always feel so darn hot? Even worse, it's not just a one-time thing, and it’s started more than one round of air-conditioner and turn-the-heat-down-already wars. And then there's the whole issue of covers...or the issue of tossing them off the bed when your partner was perfectly happy with where they were. There are such things as cooling blankets, but it's good to figure out what's making you so hot before buying one.
What's making you run so much hotter than everyone else, and when it is a problem?
According to Vineeth Mohan, M.D., an endocrinologist and chairman in the department of endocrinology and metabolism at Cleveland Clinic Weston Hospital in Florida, people have different tolerances to temperature and there’s a great degree of normal variation.
“When a patient mentions generally feeling too hot or “overheated,” physicians must try to distinguish between normal human variation vs. various potential underlying medical conditions,” Dr. Mohan says. “Medical conditions rarely cause heat intolerance as the sole symptom.” So doctors aim to uncover other signs and symptoms that might point to a more serious issue.
If you feel hot all the time but don’t have other major symptoms, you’ll probably just want to make tweaks to your living and workspaces to maintain a cool ambient temperature. Even so, if you're sweating through your clothes or sheets, heating up even when it’s below freezing, or buying CVS out of antiperspirant, you’re likely wondering what the @#$% is going on—rightfully so.
“It's important to note that feeling hot can be a normal bodily response, but if it's persistent, severe, or accompanied by other concerning symptoms, consult a health care professional,” adds Michael Weiner, DO, an internal medicine provider and chief medical officer at MSU Health Care at Michigan State University.
Bur first, check out the answers experts gave us on what's behind your feeling hot all the time, plus strategies for keeping cool once and for all.
You have a sweating disorder.
Pouring sweat at rest in a cool room? You could have hyperhidrosis, an excessive sweating disorder. “People with hyperhidrosis sweat without the need to cool the body down,” says Melissa Kanchanapoomi Levin, M.D., a New York City-based dermatologist and founder of Entière Dermatology. While hyperhidrosis sometimes runs in families or signals an underlying issue (an infection, heart problem, overactive thyroid, even cancer), it may also be caused by overactive nerves signaling your body to sweat more. If you have it, you could soak through clothes, notice drip sweating off of your fingertips, have beads of sweat running down your face, or run through socks.
If any of this sounds familiar — and you haven’t already — switch from deodorant to an antiperspirant, suggests Kanchanapoomi Levin. While you might not think of it, you actually can rub antiperspirant on your feet or hands, too, she says. Still sweating? Make an appointment with your derm to see what’s going on. You might benefit from a prescription-strength antiperspirant. Sometimes, docs also consider other meds or even surgery.
Your thyroid is out of whack.
If you’re hot and sweaty and you straight-up cannot stand the heat, you may have an overactive thyroid, a.k.a. hyperthyroidism. “One of the most common symptoms of hyperthyroidism is heat intolerance,” says Jonathan Arend, M.D., an internist at The Mount Sinai Hospital in New York. “Your thyroid, which regulates metabolism, is overactive and churning through your body’s machinery, running on overdrive like an overheating machine.”
Higher levels of thyroid hormones mean increased energy production, higher body temperature, and lots of sweat, adds David Weissman, M.D., a primary care physician who sees patients via telehealth app LiveHealth Online. Other signs of an overactive thyroid include rapid heart rate, irregular heart rhythm, elevated blood pressure, and unexplained weight loss, says Weissman.
The good news: Hyperthyroidism can be treated with medication, and sometimes surgery.
You're super fit — or working on it.
Sweat can be a sign of peak fitness or a commitment to shaping up. “People who are more fit tend to start sweating sooner into their exercise regimen because they have adapted to be more efficient at maintaining a lower body temperature while exercising,” explains Weissman.
Out of shape and notice you’re dripping? While fit men tend to sweat faster than couch potatoes, guys who are overweight have more insulation, which means they create more heat and may sweat more throughout a workout, too, says Weissman.
You've got a fever.
Hot, sweaty, flushed, and feel like crap? Break out the thermometer: If your temp’s higher than 100.4 degrees Fahrenheit, you have a fever, which means your body is trying to mount a defense against whatever’s causing your illness (likely a virus or bacteria).
See your doc. Sometimes a fever is just the flu, sometimes it's a symptom of Covid (here's more on the difference between the flu and Covid). Other times, it could signal something more serious — tuberculosis, a bacterial infection, or lupus, Arend says.
Your meds are to blame.
Common medications such as oral decongestants (pseudoephedrine and phenylephrine), erectile dysfunction meds (a.k.a. Viagra and Cialis), and even some antidepressants could have one side effect in common: excess sweating. That doesn’t mean you should necessarily stop taking them, but it could warrant a conversation with a doc to see if there are other options that won’t make you break a sweat.
Certain men who are being treated for prostate cancer may require medications to rapidly drop testosterone levels. “Men on such treatment frequently report hot flashes,” says Mohan.
This handy list from the International Hyperhydrosis Society pinpoints some of the biggest medication offenders.
Have diabetes? You may have hypoglycemia.
If you have diabetes and feel jittery, lightheaded, and sweaty, you may be experiencing hypoglycemia, or a drop in blood sugar levels, says Arend. As your body tries to deal with the stress of this situation, your sweat glands go into overdrive — hence more sweat, even if you don’t feel super hot. In the short-term, glucose tablets or drinking some fruit juice can help raise blood sugar levels. But untreated diabetic hypoglycemia can trigger seizures and even loss of consciousness, so if you have symptoms several times a week, see your doc, says Weissman.
You're anxious.
Being super-sweaty before a first date or important interview could be your body’s response to stress and anxiety. “Increased anxiety causes a rise in heart rate, blood pressure, and respiratory rate, and ultimately, increased body temperature,” explains Weissman. “As your body heats up, you’ll automatically sweat more.”
If you have generalized anxiety disorder (GAD), you might also notice you’re zonked, having trouble sleeping, you’re tense and achy (your back and neck are always killing you), or you’re super-irritable (read: you’re always on the edge of blowing up at someone). Simple stress reduction techniques (like this simple meditation plan and yoga) can quell anxiety, says Weissman. But it’s best to loop in an expert, like a counselor or therapist, for added insight.
It's rare, but night sweats could be a sign of cancer.
Night sweats can be common — anxiety, stress, and sleep problems can cause them even in healthy men. But in rare cases, they could be a sign of cancers such as lymphoma, leukemia, kidney, and thyroid cancer.
Just as your body heats up when it fights an infection, your immune system ramps up to tackle other threats including cancer, Arend explains. If you notice night sweats are becoming a regular occurrence (even after you kick off the thermal sheets) and they come with other symptoms (unexplained weight loss or fever), make an appointment with your doc.
A rare endocrine tumor responsible for heat intolerance is pheochromocytoma, which is a catecholamine or “adrenaline” secreting tumor. It can produce episodic symptoms that are kind of like your “fight or flight” response, Mohan says.
The feeling of being hot all the time could be from carcinoid syndrome, a disease caused by some neuroendocrine tumors which typically arise in the gastrointestinal tract,. adds Mohan. These can also come with symptoms such as flushing of the face, watery diarrhea, wheezing, or shortness of breath when these tumors liberate serotonin and other substances into your system. If you feel you're hot all the time and have additional symptoms that you don't usually experience, definitely see a doctor.
You could be having heart trouble.
Most of us associate having a heart attack with having severe chest pain of the sort that has you gripping your chest and falling to the floor. But an often overlooked symptom of heart attack can be profuse sweating. The waterworks may also indicate heart failure: one study showed that many people with heart failure don’t experience traditional heart attack symptoms and instead have major sweating.
You’ve been drinking alcohol or caffeine.
Consuming alcohol or caffeine can temporarily increase your heart rate, which explains that jittery feeling, and dilate blood vessels, which explains the warmth. These can cause an increase in body temperature, Dr. Weiner says.
It could just be your metabolic rate.
According to Dr. Weiner, individuals have varying metabolic rates, which can influence how their bodies generate and dissipate heat. “Some people naturally run warmer than others,” he says. If you’re sweating while the women around you are shivering, it’s likely due to your higher metabolic rate; men’s rates tend to be higher than women’s, according to the American Osteopathic Association.
You may be experiencing inflammation or an allergic reaction.
Inflammatory processes or allergic reactions can cause the body to release chemicals that lead to increased blood flow and higher body temperatures, Dr. Weiner says. If you have any known allergies, make sure you haven’t come into contact with their causes and keep an eye out for other telltale symptoms like hives, itching and itchy/swollen eyes.
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