Trying to sneeze and holding it back may affect your hearing. Sneezing is actually the body’s behavior of discharging foreign substances and cleaning itself. If you try to hold it back when you sneeze, the pressure in the respiratory tract may affect the Eustachian tube, which may cause perforation of the tympanic membrane in severe cases, resulting in hearing loss and other symptoms; bacteria may even enter the middle ear through the Eustachian tube, resulting in otitis media, which may have a certain effect on your hearing; the pressure of the airflow may also cause nosebleeds and other symptoms. Sneezing is also known as the sneeze reflex, which is a physiological reaction in both humans and animals. Don’t hold it back when you sneeze to avoid adverse effects. Sneezing also produces a lot of bacteria, do not spray directly on others, especially when suffering from colds and fevers and other symptoms, sneezing can be blocked with tissues, if necessary, wear a good mask.