Harvard Men's Health Watch

Testing your testosterone: It's tricky

Diagnosing and confirming low testosterone requires thorough lab testing and careful interpretation of the results.

Feeling less pep in your step? Less interested in sex? Befuddled by a persistent brain fog that hobbles your mood and mental performance? There are many reasons why you might feel this way. Testosterone deficiency is but one possibility.

The number of men diagnosed with "low T" has grown dramatically in recent years. Your doctor may consider a trial run of testosterone injections or a rub-on gel if you report classic signs of testosterone deficiency and if lab tests confirm that your hormone levels are abnormally low. But testing testosterone is tricky.

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