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For general educational purposes only, not a substitute for specific medical advice. Consult with a licensed provider before implementing any adjustments to your treatment regimen.
Feeling tired, losing interest in sex or noticing changes in your body can make you wonder about testosterone. Low testosterone is real and treatable, but its symptoms overlap with many other common problems. Testing done the right way, and a look at the bigger picture, help sort it out.
Symptoms That Can Point to Low Testosterone
Symptoms of testosterone deficiency can include:
- Low sex drive
- Erectile dysfunction or fewer morning erections
- Fatigue and low energy
- Loss of muscle mass or strength
- Increased body fat
- Low mood, irritability or trouble concentrating
- Reduced body hair or, over time, lower bone density
None of these symptoms proves low testosterone on its own. They are also common with poor sleep, stress, depression, weight gain and other medical conditions.
How Testing Works
Testosterone levels change throughout the day and are usually highest in the morning, so testing is generally done with an early morning blood draw. Because levels also vary from one day to the next, a low result is usually confirmed with a second morning test before a diagnosis is made.
Professional guidelines define testosterone deficiency as a combination of symptoms and consistently low levels, not a single number. If levels are low, additional blood tests can help find the cause, such as hormones from the pituitary gland, a blood count and other labs your clinician recommends.
Other Causes to Rule Out
Several conditions can lower testosterone or cause similar symptoms:
- Sleep apnea and poor sleep
- Obesity, type 2 diabetes and metabolic syndrome
- Certain medications, including opioids and steroids
- Heavy alcohol use
- Thyroid disease, anemia and depression
- Pituitary or testicular conditions
Treating an underlying problem, such as sleep apnea or excess weight, can sometimes improve both symptoms and testosterone levels.
What to Know Before Testosterone Therapy
Testosterone therapy can help men with confirmed deficiency, but it is not right for everyone. Important points to discuss include:
- Fertility. Testosterone therapy can suppress sperm production. If you hope to have children, talk about this before starting.
- Monitoring. Treatment requires follow-up blood work, including testosterone levels and red blood cell counts, and attention to prostate health.
- Regulation. Testosterone is a controlled medication, so prescribing follows federal and state rules.
Be cautious with over-the-counter testosterone boosters and products sold online without a prescription. They are not regulated like medications, and some contain ingredients that are not listed on the label.
When to Get Tested
Consider a visit if you have several of the symptoms above for more than a few weeks, especially low sex drive or erectile changes, or if you have a condition linked to low testosterone, such as type 2 diabetes or sleep apnea. A men’s health visit can also cover blood pressure, cholesterol, blood sugar and other screenings that are easy to put off.
The Short Answer
Low testosterone is diagnosed with symptoms plus repeated morning blood tests, after other causes are considered. Getting tested the right way helps you avoid both missed diagnoses and treatment you do not need.
Learn more on our men’s health page.
Get Support
Wade’s Care First provides telehealth care in Arizona, Florida, Illinois, Indiana, Kentucky, Michigan, Nevada and New York, with same-day appointments when available. Visits are with Charles Wade, FNP-BC, a board-certified family nurse practitioner.
We accept many major insurance plans, including Original Medicare (Indiana only), Medicaid (Indiana and Illinois only), UnitedHealthcare, Aetna, Humana and Cigna. Plan participation varies by state, and self-pay visits are available.
If fatigue, low drive or other changes have you wondering about testosterone, start with a private conversation and the right lab work.
Book at wadescarefirst.com.
Answers connected to this topic.
Why might a testosterone level need to be checked more than once?
Testosterone levels vary with time of day and between tests. Diagnosis of testosterone deficiency requires compatible symptoms and consistently low results; a low result is generally confirmed with another morning blood test before treatment is considered.
What if I am fatigued but my testosterone is normal?
We may explore sleep, thyroid problems, anemia, mood, medication effects and other causes rather than assuming a hormonal problem.
Could treating low testosterone affect future fertility?
Yes. Testosterone therapy may suppress sperm production. Discuss plans for children before considering treatment.
Further reading: auanet.org · medlineplus.gov.
