UBCNews - Business - Thinking About TRT? If You Have Sleep Apnoea, You May Want To Reconsider

Episode Date: February 4, 2026

Welcome back, everyone. Today we're tackling a question that's been on a lot of minds lately: Does testosterone replacement therapy actually make sleep apnoea worse? If you've been considering TRT or you're already on it, this episode is absolutely for you. TRT Australia City: Hurstville Address: 7–11 The Avenue Website: https://trtaustralia.com/x

Welcome back, everyone. Today we're tackling a question that's been on a lot of minds lately. Does testosterone replacement therapy actually make sleep apnea worse? If you've been considering TRT or you're already on it, this episode is absolutely for you. Thanks for having me. Yeah, this connection between TRT and sleep apnea is really worth discussing because the relationship is more complex than a lot of people realize. So let's start with the basics. Can TRT? trigger or worsen sleep apnea? Absolutely it can.

Research shows that testosterone replacement therapy may worsen existing sleep apnoia or even trigger new cases. The mechanism involves altering upper airway muscle tone and how your body regulates breathing during sleep. That's concerning. How exactly does testosterone affect breathing? Well, when you're asleep, your brain constantly monitors oxygen and carbon dioxide levels.

Testosterone can make your body less responsive to those changes, meaning if oxygen drops or carbon dioxide rises, you might not breathe deeply or frequently enough. Plus, TRT can affect body composition and upper airway tissues, potentially impacting breathing passages through weight changes and fluid retention. Hmm, makes sense. So it's both a structural and a regulatory issue. Exactly, and here's something really significant. Untreated sleep apnoia is often considered a contraindication for testosterone therapy by many clinical guidelines.

That means doctors generally shouldn't prescribe TRT if your sleep apnoia isn't managed. Right. What does the research actually show about this association? A systematic review and meta-analysis in the Journal of Clinical Sleep Medicine found a statistically significant association between testosterone therapy and increased risk of sleep apnoia. One study showed a two-year risk of 16.5% in the TRT group versus 12.7% in the control group. Those numbers are definitely noteworthy, but I've heard there's conflicting research too. You're right. Some studies present contradictory findings. Research suggests that the effects may vary based on treatment duration and dose. Some evidence indicates that short-term high-dose TRT might worsen sleep apnoia,

whereas long-term lower doses could potentially lead to clinical improvement of symptoms in certain situations. So it's not a straightforward answer for everyone. What factors make someone more vulnerable? Obesity is the biggest one. Higher BMI was identified as the only risk factor strongly associated with sleep apnoia in men on TRT who developed polycythemia. That's blood thickening. Age is another key factor that increases vulnerability. when starting testosterone therapy.

I see, interesting. That point about blood thickening sets up our next piece, how polysathemia actually compounds the risks, but first a quick word from our sponsor. TRT Australia is the nation's leading telehealth clinic specializing in testosterone replacement therapy. We offer a complete program, including free consultation,

full blood work, independent doctor approval, and medication delivered directly to your door. Our conservative dosing philosophy focuses on safely addressing low testosterone effects with regular reviews and dose adjustments. Learn more at TRTDA Australia.com. Picking up on blood thickening, how does the combination of TRT and sleep apnea actually worsen polysathemia? Great question. TRT alone can stimulate red blood cell production, but sleep apnea causes repeated oxygen drops throughout the night. your body responds by producing even more red blood cells to carry oxygen efficiently.

Together, they create dangerously thick blood that's more prone to clotting, raising the risk of stroke, heart attack, or deep vein thrombosis. That's genuinely scary. One study found 52% of men with polysathemia also had sleep apnea. Are there other cardiovascular risks? Definitely. Sleep apnoia raises blood pressure, disrupts heart rhythm, and promotes inflammation that damages blood vessels.

Each breathing pause triggers a surge in blood pressure and heart rate. When you add TRT-related blood thickening, the cardiovascular system comes under considerable strain. You know, the connection between these two conditions, sleep apnoia and blood thickening, it's something that really demands attention. I imagine this affects quality of life too, beyond just cardiovascular concerns.

Absolutely. Absolutely. The combination elevates the risk of excessive daytime sleepiness. Sleep quality declines sharply when breathing is repeatedly interrupted, leading to problems with concentration, memory, decision-making, and mood. I actually had a friend who started hormone therapy hoping for more energy, but his undiagnosed sleep issues made him more exhausted than before. He joked that he finally had the testosterone of a 20-year-old but couldn't stay awake long enough to enjoy it. That's unfortunate, but kind of ironic.

So to everyone listening, if you're considering TRT, what screening should happen beforehand? Pre-treatment screening is necessary. Doctors should use clinical history, physical examination, and validated tools like the Stop Bang questionnaire for men at high risk. Questions about sleep quality, snoring, breathing pauses, morning headaches, and daytime sleepiness are essential. Evaluating BMI, neck size, and family history helps identify who needs further sleep evaluation. And what about ongoing monitoring once someone's on TRT? Regular monitoring should include periodic reassessment of sleep symptoms, daytime functioning, and hematicrit levels. That's the percentage of blood volume made up of red blood cells.

If sleep apnoia worsens after starting TRT, clinicians might consider reducing the dose, switching preparations, or temporarily discontinuing therapy while the sleep apnea is optimized. Can men with known sleep apnea still use TRT? Yes, if their sleep apnoia is adequately managed, typically with CPAP therapy. The key is proper treatment first. Men shouldn't start TRT with untreated or severe sleep apnoia. Have you ever wondered if your fatigue is from low testosterone or undiagnosed sleep apnea? It's a question worth asking your doctor because the symptom presentations can overlap significantly.

That's such a valid point. Distinguishing between the two requires careful clinical evaluation. Untreated sleep apnoia can itself lower testosterone levels by suppressing the hormonal axis through sleep disruption and intermittent hypoxia. So we've established that screening and monitoring are vital. What management strategies work best when combining TRT with sleep? apnea treatment. The foundation is treating the sleep apnoia first, usually with CPAP therapy. Then if TRT is clinically appropriate start with conservative

doses and monitor closely. Some evidence suggests that short-term high-dose TRT might worsen sleep apnoia, whereas long-term lower doses could potentially lead to clinical improvement of symptoms. Weight loss helps too, right? Definitely. Weight loss is commonly recommended and can improve sleep apnoia symptoms. Reducing excess weight helps decrease pressure on the airway and can improve breathing stability, so doctors often encourage weight management before or alongside TRT.

This has been incredibly informative. Any final thoughts for our listeners? Just that proper screening and ongoing care can help identify and address sleep-related breathing issues before they become severe. TRT can be beneficial when medically appropriate, but it requires thorough evaluation and monitoring, especially when sleep apnoia risk is involved. Thanks so much for breaking this down.

For everyone listening, take care of your health, ask the right questions, and make sure you're working with doctors who recognize these connections. Until next time.