The best way to avoid getting a stuffy nose is to take preventive measures against the cold and flu viruses that cause nasal congestion. You can do this primarily by practicing good hygiene. Wash your hands frequently with soap and water, and if soap and water are not available, use an alcohol-based hand sanitizer that contains at least 60% alcohol. Also, clean frequently-touched surfaces like doorknobs and light switches, and avoid close contact with people who are sick.
Alternatively, if you’re experiencing nasal congestion, stay home and avoid contact with others so that you don’t spread your virus to those around you. Take the recommended precautions by the Centers for Diseases and Control (CDC) to avoid spreading viruses. According to the CDC, everyone should maintain a distance of six feet (about two arms’ length) between themselves and other people.4
If your nasal congestion is allergy-related, you should try to avoid the triggers that cause your allergies, such as dust, pollen, pet dander, and smoke. These triggers can easily irritate your nasal passageways, triggering an allergic response leading to congestion.