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⚠️ Side Effects

Will taking finasteride for hair loss ruin the benefits of my TRT?

Asked in r/Testosterone · Answered by the HeydayMD team ·

I've been on TRT for three months and I'm noticing some thinning at the temples. I want to start finasteride to block the DHT, but I'm worried it might interfere with my testosterone gains.

The short answer

While TRT can increase DHT levels and accelerate male pattern baldness in those genetically predisposed, using a 5-alpha reductase inhibitor like finasteride is a common and effective way to manage this side effect. It is important to monitor your hormone levels closely, as blocking DHT can sometimes impact the subjective benefits of testosterone therapy, such as libido or mood. At HeydayMD, our clinicians specialize in balancing these protocols to ensure you maintain your hair health without compromising the overall results of your treatment. We provide personalized guidance on dosing and side-effect management to keep your TRT experience optimal and sustainable.

Every body is different. A licensed provider can look at your own labs and symptoms.

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The information on this page is for educational purposes only and is not medical advice. Questions are paraphrased from public Reddit discussions, which are linked for reference — HeydayMD is not affiliated with Reddit. Answers are general education written by the HeydayMD team, not individual guidance. Always talk to a licensed healthcare provider before making treatment decisions.