There is no cure for the common cold true but there are things that we can do as parents and caregivers to make children and ourselves feel better using a humidifier is one of them one of the first things doctors recommend when a child comes down with a cold is to use a humidifier as this can help loosen congestion and soothe a sore throat evaporative humidifiers are equipped with a special filter also known as a wicking filter which soaks up water a fan draws dry air through the moiste