Rinsing your child’s nose with saline can help keep their nasal passages open by clearing out thick or dried mucus. It can help relieve symptoms of allergies, sinus infections, or colds.

A saline nasal spray is a mixture of sterile water and 0.9% sodium chloride (salt) that you can spray up your nostrils to flush out pollen, dust, and other allergens from your nasal passages (the ...