---
title: "Phentermine constipation: causes and what helps"
description: "Phentermine can cause constipation in some people. See why it happens, what may help, and when constipation or other symptoms, with clinician guidance."
canonical: "https://www.vitalsvault.com/treatment-learn/phentermine-common-side-effects"
last-updated: 2026-08-22
---

# Phentermine constipation: causes and what helps

> Phentermine can cause constipation in some people. See why it happens, what may help, and when constipation or other symptoms, with clinician guidance.

---

Canonical HTML: https://www.vitalsvault.com/treatment-learn/phentermine-common-side-effects
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