Cover your child up with long, light clothing that provides sufficient sun protection. On the beach, set up an umbrella to offer sun breaks. Give your child sunglasses to wear. Give your child plenty of fluids while he's playing outside. Ask the pediatrician about any medications your child may be on.
Some medications increase sun sensitivity.
Most importantly, apply and reapply sunscreen generously to your child. Sunscreens are available nowadays that come in various colors that your child may find fun to wear. While sunscreen is critical for protecting older children from the sun, it's not appropriate for children under six months of age. Sunscreen lotions can somewhat impair a baby's cooling mechanism of perspiring, which could be harmful to the baby and cause a heat-related injury. For babies, Brown recommends keeping them out of the sun, giving them plenty of fluids and covering them with light, loose clothing.