Most commercial insect repellents that are marketed as safe to use on babies and young children will do a fair job of keeping mosquitoes away. (Note that repellents are not recommended for use on babies younger than 2 months.) Also take these steps:
• Dress your baby in light-colored clothing that covers as much of his skin as possible when he's going to be outdoors. Avoid bright colors and flowery prints.
• Once your baby's walking, don't let him toddle around outside barefoot.
• Don't use scented soaps or lotions, which attract some bugs.
• Avoid insect hangouts — stagnant water, high grass or weeds, flower gardens, uncovered food, and open garbage cans, for example. Keep food covered when you're eating outside.
• Repair any torn screens in your windows and doors at home. You might also use mosquito netting over your baby's infant seat, playpen, backpack, or stroller when you have him outdoors during bug season.
• Try to keep your pets free of fleas.