Thyroid problems in men often go unnoticed because symptoms like fatigue, weight changes, and mood shifts are easy to blame on stress or aging — but an underactive thyroid (hypothyroidism) and an overactive one (hyperthyroidism) each have a distinct symptom pattern worth recognizing.
Signs of an Underactive Thyroid (Hypothyroidism)
- Persistent fatigue that doesn’t improve with rest
- Unexplained weight gain despite no major change in diet
- Feeling cold more often than others around you
- Dry skin and hair, including hair thinning
- Low mood or depression-like symptoms
- Muscle weakness or aches
- Constipation
- Reduced libido
Signs of an Overactive Thyroid (Hyperthyroidism)
- Unexplained weight loss despite normal or increased appetite
- Rapid or irregular heartbeat
- Increased sweating and heat sensitivity
- Anxiety, irritability, or restlessness
- Hand tremors
- Difficulty sleeping
- Muscle weakness, particularly in the upper arms and thighs
Thyroid Problems and Sexual Health
Both an underactive and overactive thyroid can affect testosterone levels and sexual function in men, including reduced libido and, in some cases, erectile difficulties. This connection is often overlooked, with men attributing these symptoms to stress or aging rather than a thyroid issue.
Why Thyroid Problems Are Often Missed in Men
Thyroid conditions are frequently associated with women in public perception, which can delay men seeking testing even when symptoms are present. Men may also attribute fatigue, weight changes, or mood shifts to work stress, aging, or lifestyle factors before considering a thyroid cause.
How Thyroid Problems Are Diagnosed
A blood test measuring TSH (thyroid-stimulating hormone), along with T3 and T4 levels, is the standard way to assess thyroid function. In some cases, doctors also check for thyroid antibodies to identify autoimmune causes like Hashimoto’s or Graves’ disease.
Risk Factors to Be Aware Of
- Family history of thyroid or autoimmune conditions
- Previous radiation exposure to the neck area
- Certain medications, including some heart and psychiatric medications
- Age over 60 (risk increases, though it can occur at any age)
What to Do If You Suspect a Thyroid Issue
Track your symptoms and their duration, then request a thyroid panel from your doctor. Thyroid conditions are generally very manageable once diagnosed, often with daily medication for an underactive thyroid or a range of treatment options for an overactive one.
Related Reading
For further background from a trusted source, see the American Thyroid Association.
Frequently Asked Questions
Can thyroid problems affect testosterone levels?
Yes, both hypothyroidism and hyperthyroidism can influence testosterone and overall hormonal balance in men.
At what age should men start checking thyroid function?
There’s no universal age, but if symptoms are present, testing is appropriate regardless of age. Routine screening often starts being considered around age 35-40 or if risk factors exist.
Is thyroid disease in men treatable?
Yes, both hypothyroidism and hyperthyroidism are generally very treatable with medication, and most men see significant symptom improvement once properly diagnosed and treated.
This is general information, not a diagnosis. See a doctor for testing if you notice these symptoms.
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