Polycythemia

Polycythemia is an increase in red blood cell concentration that can thicken the blood and raise cardiovascular risk. This tag covers causes and symptoms—especially TRT-related hematocrit elevation—plus lab monitoring and practical management strategies to support performance and long-term health.

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Testosterone replacement therapy side effects: What men should watch and how to prevent the big ones

Testosterone replacement therapy side effects: What men should watch and how to prevent the big ones

Dr. Bruno Rodriguez, DPT, CSCS avatar
Dr. Bruno Rodriguez, DPT, CSCS: Strength, Recovery, and Physical Therapy Expert
Aug 06, 2025 · 13 min read

Testosterone replacement therapy side effects are usually predictable and often preventable when TRT is prescribed for true testosterone deficiency and monitored with routine labs. The biggest miss is treating TRT like a “set it and forget it” upgrade, instead of a medical plan with safety checkpoints. Key takeaways According to American Urological Association guidance, men ...

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