Sunburn is more than just a painful redness. Repeated sunburns can eventually lead to skin cancer. Think prevention when going out in the sun by minimizing time in direct sunlight, wearing protective clothing and accessories, and applying sunscreen liberally before sun exposure.
Despite precautions, sunburn can still sneak up on you, especially when you’re having fun. It can happen within just 15 minutes of being in the sun. Here is an important reference for the signs and symptoms of sunburn and what to do when it happens.