Try Stretching the Jaw. Some people are more sensitive to pressure changes in the air. Swelling inside the ear canal can cause a loss of hearing that may result in sounds breaking up in a crackling noise.
Deep Coughing: Start by taking a deep breath. Hold the breath for 2-3 seconds. Use your stomach muscles to forcefully expel the air. Avoid a hacking cough or merely clearing the throat. A deep cough is less tiring and more effective in clearing mucus out of the lungs.
Steam helps to break up mucus in your chest, nose, and throat, allowing you to expel it from your body easier. 1  Boil a pot of water and hold your face over the bowl and breathe in the steam for several minutes. 2  Cover your head with a towel to concentrate your exposure to the steam.