---
title: "Sildenafil vs Cialis: Differences, safety, cost"
description: "Sildenafil vs Cialis (tadalafil): both treat ED but differ in duration, timing, and interactions. Compare the evidence, side effects, and cost."
canonical: "https://www.vitalsvault.com/treatment-learn/cialis-vs-sildenafil"
last-updated: 2026-08-22
---

# Sildenafil vs Cialis: Differences, safety, cost

> Sildenafil vs Cialis (tadalafil): both treat ED but differ in duration, timing, and interactions. Compare the evidence, side effects, and cost.

---

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