When a headache or odd rash throws you into a panic, most people jump online for answers. While WebMD is popular, it’s far from your only option—there are some fantastic, transparent sites and handy apps for quick symptom checks. This article compares 10 solid medical websites, highlighting how user-friendly they are, if they offer mobile app support, and how open they are about their data sources. By the end, you’ll know which sites are trustworthy snap decisions when you can’t get through to your GP.