She says it starts with red, painful skin—like a regular sunburn—but sun poisoning symptoms can get serious, quickly. “This extreme version of sunburn needs medical attention.” While one in three ...

Sunburn blister treatment involves applying aloe vera, taking an NSAID, and using a cool compress. When you get a deep sunburn, your body produces fluids within your skin, which results in blisters.

Moreover, if your sunburn is severe like if you've developed sunburn blisters or open wounds, applying vinegar would be even more painful and you should steer clear of using it in this situation ...