People with an upper respiratory infection with cough have found that taking a hot steam shower is often helpful for their symptoms. It can ease the nasal congestion and calm the coughing down. Due to these beneficial effects and the fact that dry airways can make a cough worse, a humidifier is a helpful device to have in a room. Beyond a humidifier, one can also purchase personal portable steam inhalers designed to put over the face. Cost can run anywhere from $20 to several hundred …