---
title: "Can low testosterone cause ED? Causes and tests"
description: "Can low testosterone cause ED? Yes, it can contribute, but it is not the only cause. Here is how it affects erections and what to test."
canonical: "https://www.vitalsvault.com/treatment-learn/does-low-testosterone-cause-ed"
last-updated: 2026-08-22
---

# Can low testosterone cause ED? Causes and tests

> Can low testosterone cause ED? Yes, it can contribute, but it is not the only cause. Here is how it affects erections and what to test.

---

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