A sunburn is basically a skin burn that is a result from too much exposure to sunlight. It is common in very many places around the world and is usually self treatable.
There are a variety of products that protect one from the effect of the sun including sun screen and many other products.
Repeated exposure to too much sunlight could cause various other skin conditions such as skin cancer, dark spots and more.
Symptoms of sunburn include red and painful skin that is sensitive to touch.
One can handle it by applying aloe vera or having a cold bath.