Therapeutic phlebotomy

Therapeutic phlebotomy involves the removal of blood to manage conditions like elevated hematocrit and polycythemia, which are common concerns for men on TRT. Learn when this procedure is necessary, what to expect, and how it helps maintain healthy blood viscosity and cardiovascular health.

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The essentials for therapeutic phlebotomy — then explore the latest posts below.

How to lower hematocrit on trt safely and effectively

How to lower hematocrit on trt safely and effectively

Dr. Alexander Grant, MD, PhD avatar
Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate
Dec 11, 2025 · 11 min read

The safest way to lower hematocrit on TRT is to reduce testosterone peaks by lowering the dose and/or switching from infrequent injections to more frequent micro-dosing or a steadier transdermal method, because testosterone increases red blood cell production through kidney-driven erythropoietin (EPO) signaling. Since elevated hematocrit affects roughly 5% to 66% of men on therapy, ...

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