9 Telltale Signs Your Testosterone Levels Are Low

Testosterone is a hormone that both men and women make naturally. It's especially important for male sexual health and overall well-being. As you getolder, it's normal for testosterone levels to drop. Low testosterone levels (called "low T" for short) can affectup to 40%of all men - with the incidence increasing with age. Low T symptoms can include erectile dysfunction, low fertility, and even osteoporosis. But sometimes there are no symptoms at all.

The good news is that treatment is usually pretty straightforward. Here's what you need to know about causes of low T, early symptoms, and treatment options.

What does testosterone do in the male body?

Testosterone is a sex hormone. It's involved in many aspects of male health, including:

• Puberty and male sexual development
• Sex drive
• Bone strength
• Muscle growth
• Red blood cell production
• Energy and mood

EXPERT PICKS: WHAT TO READ NEXT

• What's a "normal" sex drive?Find out what factors canaffect your libidoand what you can do about it.
• Treating Low T:Discover thetreatment options availablefor treating low testosterone levels.
• Testosterone replacement side effects:Learn more about therisks of testosterone replacement therapyfor low testosterone levels.

Having low testosterone levels can affect all these functions.

What causes low testosterone levels?

There are many causes of low testosterone. The most common cause isnormal aging. Testosterone levelsdrop a little biteach year as you get older.

Less common causes can be broadly separated into two types: primary and secondary. Let's take a look at these below.

Primary low testosterone This refers to a problem in the testicles themselves. Since testicles make testosterone, any conditions that affect how they work can affect how much testosterone you make. Causes of primary low testosterone include:

• Infections, likemumps
• Klinefelter syndrome
• Undescended testicles
• Testicular torsion
• Chemotherapy
• Radiation treatment
• Autoimmune diseases
• Human immunodeficiency virus (HIV)
• Liver cirrhosisand liver failure
• Physical injury to the testicles, like from a car accident or sports injury

Secondary low testosterone This is when your testicles work normally, but other health problems stop you from making testosterone. Aging is one example of secondary low testosterone.

Other examples include:

• Brain tumors or other problems in the pituitary gland (a gland in your brain that regulates many hormones)
• Hormone-blocking treatment (used forprostate cancer, among other conditions)
• A BMI greater than 30
• Diabetes
• Long-term use ofopioid pain medications

Low testosterone symptoms in men

Many men don't notice symptoms of age-related low testosterone because it happens gradually. But some people do have symptoms - especially if a medical condition or treatment causes low T to happen suddenly.

Here are nine common symptoms of low testosterone in men.

1. Hair loss

Hair loss, whether on your face or body, is a visible sign of low T. Testosterone helps maintain facial and body hair. If your hair suddenly thins or seems to disappear, it could be a clue that your testosterone levels are getting low.

2. Low sex drive

Testosterone creates a healthysex drivein both men and women. If you notice yourlibidostarting to decline and there are no obvious explanations (like stress, traumatic events, or lack of sleep), make an appointment with a healthcare professional. They can help narrow down the cause and find out whether low T might be behind your symptoms.

3. Erectile dysfunction

Erectile dysfunction(ED) is a classic symptom of low testosterone and is often accompanied by low sex drive. If your sex drive is low, having and maintaining an erection can become difficult. While most cases of ED are due to other health problems, low testosterone can also affect your sexual performance.

4. Infertility

Low testosterone can causeinfertility, as well. This is because testosterone is one of the main hormones needed to create sperm. Low testosterone levels meanlow sperm counts. And some men with low T produce no sperm at all.

You would need a healthcare professional to confirm this. But if you and your partner are having trouble conceiving, you may want to have your testosterone levels checked.

5. Osteoporosis

When your testosterone levels are adequate, some of the testosterone is transformed into estrogen to help protect your bones. But when you have low testosterone levels, your body doesn't do this. This leads to your bones becoming weak and more likely to break.

Low bone mineral density andosteoporosisfrom low T are most concerning in men over 65, but all men should be aware of this risk.

6. Low muscle mass

Testosterone is the most important hormone formuscle growth. When your testosterone levels are low, your existing muscle mass will start to shrink. A healthcare professional will typically look for this if they're concerned you may have low T.

7. Mood swings and irritability

Feeling depressed or moreemotional can be an issuefor men with low testosterone levels. A healthy level of testosterone helps keep your mood in check.

Because mood swings can be caused by many other health issues, it may be difficult to know whether low T is causing them. It's best to talk to a healthcare professional if you have any sudden mood changes that you can't explain.

8. Fatigue and difficulty concentrating

Healthy levels of testosterone help you feel energized. One of the biggest complaints among men with low testosterone is that they feel tired and unfocused, no matter how much they sleep. If you have fatigue that lasts for weeks and can't be explained by stress or extreme activity, talk with a healthcare professional.

9. Hot flashes

Hot flashes are commonly associated withmenopause, but men can also have them. Hot flashes usually only happen in men who have gone through chemotherapy and have almost no testosterone left in their bodies. While experts don't know why this happens, if you're having hot flashes, it's important that you share this with a healthcare professional. They can help you pinpoint whether low T may be causing it.

Other signs of low T

There are a few other signs of low testosterone outside of the main symptoms we've discussed.

The type of low T symptoms you experience may depend on when the low T developed. For example, if you have low T before puberty, your testes and penis may not fully develop. And you may not have as deep of a voice.

Some men with low T may also startgrowing breast tissue,known asgynecomastia. Let a healthcare professional know if you notice any new symptoms.

How to tell if you have low testosterone

By running a simple blood test, a healthcare professional will be able to see if you have abnormal levels of testosterone. Testosterone in your blood should bebetween 300 ng/dL and 1,000 ng/dL. This can change depending on your age.

You'll also likely have a physical exam to check your hair growth, muscle growth, and the size and appearance of your testicles. If you have a health condition (like diabetes or HIV) that is more likely to cause low T, you may have these blood tests and exams during your regular checkups.

Low testosterone treatment

Treating low testosteroneis pretty straightforward: In general, the goal is to replace what's missing. But not all men with low testosterone need treatment. If your testosterone levels are gradually declining with age and symptoms aren't a problem for you, then treatment isn't necessary.

For younger men with low testosterone or older men with abnormally low levels,testosterone replacement therapyis available in many different forms. While receiving treatment with any of these options, you'll need to have regular blood work done to monitor your testosterone levels and make sure they're balanced.

Keep in mind that testosterone treatment options are also Schedule IIIcontrolled substances. In other words, they're medications that come with a low to moderate risk of dependence. Testosterone replacement therapy may alsoraise the riskof prostate cancer, heart attacks, and strokes in older men.

Below are different treatment options commonly prescribed for low testosterone.

Treatment option	Where applied	Frequency
Gel	Varies depending on the product	Once a day
Patch	A clean, dry area of skin	Once a day
Injection	Injected into the buttocks muscle like a regular shot	Every 2-4 weeks by a healthcare professional or self-administered at home
Nasal gel	Nostril	3 times a day (don't blow your nose for an hour afterward)
Implant	Implanted just beneath the skin of your upper arm by a healthcare professional	Every 3-6 months

Depending on where you live, you might be able to get atestosterone testing kit. You can use it to monitor your testosterone levels while you're undergoing therapy.

How can I raise my testosterone levels naturally? There are a few natural ways to treat low testosterone. For example, exercise is an effective way to raise testosterone levels. Research shows that men who exercise regularly havebetter testosterone function.

Eating healthy, well-balanced meals can also help. Dietshigh in fatare associated with lower testosterone levels. Also, if you havelow vitamin Dlevels, taking avitamin D supplementcan raise your testosterone. One study in men with excess weight showed that taking 83 mcg of vitamin D for a year led to a significant increase in testosterone levels.

Lastly, getting a good night's sleep may help. A small study found that just 1 week ofsleep deprivationcan lower testosterone levels by 10% to 15%. In comparison, the rate at which testosterone lowers each year with age is only 1% to 2%.

What happens if low testosterone goes untreated?

It's possible that the gradual decline of testosterone with age is responsible for the effects of aging that men experience. But, for most men, testosterone replacement therapy isn't necessary.

For younger men with low testosterone or older men with abnormally low levels, untreated low testosterone can lead to medical complications.Infertilityis a significant issue for many men with low T.

Bone thinning and muscle weakness from low testosterone can be especially problematic for older men. Thin bones are more likely to break. Combined with muscle weakness, recovering and caring for yourself can be difficult.

If you think you may have low T, talk to a healthcare professional to understand your treatment options and next steps.

Frequently asked questions

What foods increase testosterone?expand_moreEating healthy foodslike whole grains, fresh vegetables, and legumes can help increase testosterone levels. Avoiding refined sugars, dairy, and processed, packaged foods is equally important. A balanced diet is important in maintaining normal testosterone levels at any age.

What are signs of good testosterone levels?expand_more

What supplement increases testosterone the most?expand_more

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• Low testosterone (low T) affects many men. The good news is that low T is usually simple to treat. If you're experiencing symptoms such as low libido, fatigue, or mood swings that can't be explained, talk with a healthcare professional. They can test your testosterone levels and help you develop a treatment plan that works for you.

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