Testosterone health hub

High haematocrit on TRT: when should you be concerned?

High haematocrit on TRT: when should you be concerned?

Haematocrit is one of the key blood markers monitored during TRT. This guide explains why testosterone can raise haematocrit, when it may become a concern, and what your clinician may recommend if your level is too high.

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Free testosterone vs total testosterone: which matters most?

Discover how total and free testosterone and SHBG affect symptoms, diagnosis, and testosterone blood test results.

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Can weight loss injections cause muscle loss?

Discover how GLP-1 muscle loss can happen, what the risk means, and how to preserve muscle while losing weight.

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What happens to your testicles on TRT?

Worried about testicle shrinkage on TRT? Learn why shrinkage can happen, whether it is harmful, and what treatment options may help protect fertility.

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Can low testosterone cause weight gain?

Low testosterone and weight gain are closely linked. Learn how obesity affects testosterone levels and when to seek advice.

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Normal testosterone, but all the symptoms – what happens next?

Low testosterone symptoms despite a normal test result? Discover why this can happen and what to do next.

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Testosterone, oestradiol, and libido: understanding the relationship

Testosterone, oestradiol, and libido: understanding the relationship

Low sex drive can be confusing, especially if your erections, confidence or hormone results are part of the picture. This guide explains how testosterone, oestradiol and prolactin affect libido in men, why balance matters, and what to consider if your sex drive is low or has not improved as expected on TRT.

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How long does TRT take to work?

TRT timelines aren’t one-size-fits-all. It depends on a few key factors unique to you.

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Testosterone pills: do they work and are they safe?

Testosterone pills: do they work and are they safe?

Dr Doug Savage MBChB, MRCGP Medical director No needles. No gel to rub in. No cream to apply and wait for it to dry. For a lot of men searching for testosterone replacement therapy (TRT), a tablet sounds ideal. And...

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