One in three men over 50 has clinically low testosterone levels, and the vast majority of them are unaware of it. Fatigue that sets in, libido that wanes, belly that gets fatter despite efforts at the gym: these symptoms are frequently attributed to stress or normal aging, when in fact they may signal a treatable hormonal deficiency. Andropause doesn't have the notoriety of menopause, but its consequences on men's quality of life are just as real.
Andropause: a progressive hormonal decline, not a myth
Unlike the female menopause, which occurs within a few years, andropause, known in the clinical literature as late-onset hypogonadism, is a gradual process. Testosterone in men declines by around 1 to 2 % per year from the age of 30 to 35, according to data from the Endocrine Society. By the age of 50 or 55, the cumulative difference can be clinically significant, even if the values remain technically within the laboratory reference ranges. The problem with these reference values is that they are based on the entire male population, including men aged 80. A 45-year-old man with a testosterone level at the lower end of the range may technically be considered normal according to the lab's standards, while still experiencing concrete symptoms of deficiency.
Recognizing the signs of testosterone deficiency
The manifestations of low testosterone are varied and affect several systems. Persistent fatigue and general loss of energy are among the most frequent complaints, a tiredness that does not settle with sleep and persists even at rest. Decreased libido and erectile dysfunction often follow, although these issues are rarely raised spontaneously in consultation. Loss of muscle mass, even in physically active men, and accumulation of abdominal fat are also common indicators.
Less well known but just as real: mental fog, difficulty concentrating, less sharp memory, irritability, episodes of depressed mood and sleep disorders. A reduction in bone density has also been documented in some men with prolonged hormone deficiency, a dimension often overlooked because osteoporosis is still perceived as an exclusively female condition.
Diagnosis: a morning blood test and much more
Hormonal testing begins with a blood sample taken before 10 a.m., when testosterone is at its circadian peak. A physician will evaluate total testosterone, calculated free testosterone, SHBG (the protein that transports testosterone in the blood, a high value of which can render total testosterone biologically insufficient), LH and FSH to distinguish a testicular origin from a central cause, and prolactin to rule out a pituitary adenoma if LH is low. This multiple reading is essential, and can only be interpreted correctly in its full clinical context.
The options available: lifestyle and medical treatment
Before considering anything else, certain lifestyle modifications have a documented impact on natural testosterone production: resistance training, abdominal weight loss, sleep optimization, chronic stress management and adequate zinc and vitamin D intakes. These measures form an essential basis, whether or not medical treatment is envisaged.
When the deficiency is clinically confirmed and symptoms are significant, testosterone replacement therapy may be considered by the doctor. This decision is made by the healthcare professional, who assesses the contraindications, the type of formulation (topical gel, intramuscular injections, transdermal patches) and the follow-up required. Testosterone gel is listed on the RAMQ drug formulary under certain diagnostic conditions.
Frequently asked questions about andropause
Is andropause medically recognized in Quebec?
Yes, the Collège des médecins du Québec recognizes age-related testosterone deficiency as a medical condition that may warrant investigation and treatment. The preferred clinical name is late-onset hypogonadism or age-related androgen deficiency. The issue is primarily diagnostic: non-specific symptoms mean that the condition is rarely the first diagnosis considered.
Does testosterone replacement therapy affect fertility?
Yes, exogenous testosterone can suppress natural sperm production by inhibiting the hypothalamic-pituitary-gonadal axis. For men who wish to preserve their fertility, other approaches may be considered by the doctor. This is an essential discussion to have before starting any treatment.
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