Can expired N95 Face Mask still be opened and used?

The expired N95 Face Mask cannot continue to be used. If the expired mask is used, it may cause some adverse effects on the human body. In order to protect your health to the greatest extent, it is recommended to wear qualified masks that are within the validity period, and learn how to wear masks correctly to achieve effective protection.

Expired masks cannot better isolate mites, dust, pollen, and irritating chemical gases floating in the air, such as sulfur dioxide, ammonia, or oily smoke. When people inhale these substances, it is easy to irritate the airway, causing symptoms of coughing and expectoration. There are also some patients suffering from bronchial asthma, which may induce acute attacks, such as wheezing, shortness of breath, chest tightness, shortness of breath and other symptoms, and even obvious dyspnea, which is not conducive to health.

When using expired masks, the wearer will also be more likely to come into contact with pathogens discharged from the respiratory tract in the air or in close contact with surrounding people, such as viruses, bacteria, mycoplasma, chlamydia, etc., and even Mycobacterium tuberculosis, etc. invade the respiratory tract, making the air Obvious congestion, edema, and exudation of a large amount of inflammatory secretions in the mucous membrane of the respiratory tract can cause acute upper respiratory tract infection, bronchitis, pneumonia, lung abscess, and even infections such as influenza and new coronavirus infection, which are harmful to the body. make an impact.

The validity period of general masks is usually 2-3 years. It is recommended that the wearer pay attention to check the shelf life when purchasing, and replace them regularly when using them, and check whether there is any damage or pollution before wearing them. Try to choose medical surgical masks or N95 type. Mask, better protection effect.