Nexium is widely used to ease acid reflux and heartburn, but there’s a lot more to understand before popping the purple pill. This article covers exactly how Nexium works, what makes it different from other medications, and the details doctors usually forget to mention. You'll find out about side effects, how to avoid common mistakes, and practical tips for getting the most relief. Whether you’ve just been prescribed it or you're struggling with long-term symptoms, these real-world insights matter.