Experts in Baby First Aid, Choking, Solids & Pregnancy on Instagram: "If you ever notice a sudden rash on your child, this simple check can help you work out if it’s something serious or not. When a rash appears, it can be scary. This quick test can give you reassurance or help you know when to act fast. 👉 Press and hold your finger or a clear glass firmly against the rash for a few seconds, then release 👉 If the rash changes colour or fades it means its a blanching rash, this is a reassuring