---
title: "Cialis side effects: common vs serious risks"
description: "Cialis side effects are usually mild, like headache or flushing, but rare serious effects need urgent care. See what’s common, serious, and when to act."
canonical: "https://www.vitalsvault.com/treatment-learn/cialis-side-effects"
last-updated: 2026-08-22
---

# Cialis side effects: common vs serious risks

> Cialis side effects are usually mild, like headache or flushing, but rare serious effects need urgent care. See what’s common, serious, and when to act.

---

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