Can Low Testosterone Cause Joint Pain? What Research Shows

TL;DR — Key Takeaways

• Yes, low testosterone can cause or worsen joint pain and stiffness.
• Testosterone limits inflammation (including TNF-α); low T allows chronic low-grade inflammation.
• It supports collagen and cartilage, bone density, and the muscles that stabilize joints.
• A 2025 study found men with low testosterone had twice the osteoarthritis risk.
• Joint pain has many causes, get a proper diagnosis before assuming it’s hormonal.

Yes. Low testosterone can cause or worsen joint pain. Testosterone limits inflammation, supports collagen and cartilage, maintains bone density, and keeps the muscles around joints strong. When it drops, low-grade inflammation and weaker support set in, causing stiffness and achy joints. One 2025 study found men with low testosterone had twice the risk of osteoarthritis.

Achy, stiff joints often get blamed on age alone, but if they’ve come on with other changes, low testosterone may be part of it. Here’s the evidence. (Part of our guide on low testosterone symptoms; for the overview, our complete TRT guide.)

Can Low Testosterone Cause Joint Pain?

Yes, through inflammation and loss of joint support. Testosterone isn’t just about muscle and libido; it helps regulate inflammation and maintain the tissues that keep joints healthy. When levels fall, men are at greater risk of joint inflammation, stiffness, reduced flexibility, and mobility trouble, which can then discourage the activity that keeps joints healthy.

The Mechanisms Behind It

Four linked pathways:

1. More inflammation: Testosterone limits pro-inflammatory molecules like TNF-α and helps regulate the cytokines that control joint inflammation. Low levels allow chronic low-grade inflammation to set in.
2. Weaker bone: Testosterone stimulates osteoblasts (bone-building cells) and maintains bone density. Low T can weaken bone, raising the risk of micro-fractures and joint instability.
3. Cartilage breakdown: Testosterone supports collagen synthesis, which keeps cartilage and joints elastic. Low levels may contribute to cartilage breakdown.
4. Less muscle support: Low testosterone causes muscle weakness (the same muscle loss behind weight gain), and weaker muscles mean less stable, more painful joints.

What the Research Shows

The associations are increasingly documented:

Key fact: A 2025 study in BMC Musculoskeletal Disorders found men with low testosterone had twice the risk of developing osteoarthritis compared to men with normal levels.

A 2014 study also found a clear link between lower testosterone and later development of rheumatoid arthritis in men. These are associations, not proof that low T alone causes arthritis, but the biological mechanisms make the connection plausible.

Does Treating Low T Help Joint Pain?

Sometimes, indirectly. By reducing inflammation and rebuilding the muscle that supports joints, restoring healthy testosterone may ease some joint discomfort in men with genuine low T. But TRT is not a treatment for joint pain or arthritis, and it won’t fix pain from injury, wear, or other conditions. Whether it’s appropriate depends on confirming TRT is right for you with proper testing and joint pain needs its own medical evaluation.

When to See a Doctor

Joint pain has many causes injury, osteoarthritis, autoimmune disease, gout. Don’t self-diagnose it as low T. See a doctor if joint pain is persistent, worsening, swollen, or limiting you. If it comes bundled with other low-T signs like fatigue, weight gain, anxiety, or brain fog, testing your levels is reasonable alongside, not instead of, a proper joint workup.

Conclusion

Can low testosterone cause joint pain? Yes, by permitting more inflammation and weakening the cartilage, bone, and muscle that keep joints healthy, with research linking low T to double the osteoarthritis risk. Treating genuine low testosterone may help indirectly, but TRT isn’t a joint-pain cure, and joint pain always deserves its own diagnosis. If achy joints came with other low-T symptoms, it’s worth checking your levels.

For more men’s testosterone health guidance, explore everything at TRT NYC.

👉 Achy joints and other low-T signs? Check your testosterone with an at-home test kit and review results with a licensed provider, and get persistent joint pain evaluated properly.

Frequently Asked Questions

Can low testosterone cause joint pain?

Yes. Testosterone limits inflammation, supports collagen, cartilage, and bone, and maintains the muscles that stabilize joints. When it drops, chronic low-grade inflammation and weaker joint support can cause stiffness and achy joints. Research links low testosterone to higher osteoarthritis risk.

How does low testosterone cause joint pain?

Through four pathways: it allows more pro-inflammatory activity (like TNF-α), weakens bone by reducing bone-building cells, may contribute to cartilage breakdown by lowering collagen synthesis, and causes muscle weakness that leaves joints less supported and more painful.

Can low testosterone cause arthritis?

It’s associated with higher risk. A 2025 study found men with low testosterone had twice the osteoarthritis risk, and a 2014 study linked lower testosterone to later rheumatoid arthritis in men. These are associations, not proof of direct cause, but the mechanisms are plausible.

Does TRT help with joint pain?

Sometimes indirectly. By reducing inflammation and rebuilding supportive muscle, restoring healthy testosterone may ease some joint discomfort in men with genuine low T. But TRT is not a treatment for joint pain or arthritis and won’t fix pain from injury or wear. Joint pain needs its own evaluation.

Can low testosterone cause muscle and joint aches?

Yes. Low testosterone commonly causes muscle weakness and aches, and because weaker muscles destabilize joints, the two often occur together. General achiness, stiffness, and reduced strength are frequently reported symptoms of low testosterone in men.

Is joint pain a symptom of low testosterone?

It can be, but it’s a nonspecific one. Joint pain is more meaningful as a low-T clue when it appears alongside other symptoms like fatigue, weight gain, low libido, or mood changes. Because joint pain has many causes, it should always be medically evaluated.

Written by: Tejanshu Jaluthria: Last updated: July 2026 · Reviewed against: peer-reviewed musculoskeletal research (see References).

Medical disclaimer: This article is for educational purposes only and is not medical advice. Joint pain has many causes and should be evaluated by a healthcare provider. trtnyc.com is an independent informational resource, not a medical provider.

References

1. Association between low testosterone and osteoarthritis risk in men. BMC Musculoskeletal Disorders, 2025.
2. Study on testosterone levels and risk of rheumatoid arthritis in men (2014).
3. Endocrine Society, Testosterone Therapy in Men With Hypogonadism: Clinical Practice Guideline. endocrine.org