Persistent nasal congestion can stem from a cold, allergies, sinusitis, or dry air. Humidifiers introduce moisture into the air, helping to thin mucus and alleviate dryness in nasal and throat membranes, thereby reducing congestion and breathing difficulties. With many types of humidifiers available, proper selection and use are crucial to prevent dry air from irritating the respiratory tract.

Choosing a humidifier of appropriate size is important. Avoid selecting a unit that is too large for your room, as excessive moisture can lead to condensation, fostering the growth of bacteria and mold. If there are young children in the home, do not place the humidifier directly next to their bed or crib; maintain a distance of about 90 cm to ensure safety.

Humidifiers help thin phlegm and mucus, clearing airways. *Photo: Anh Chi*

Place the humidifier in a well-ventilated area. Avoid directing the humidifier towards curtains, beds, or furniture, as this can easily lead to mold growth. If surfaces in the room feel consistently damp, mold and bacteria may proliferate, potentially affecting respiratory health. It is best to place the unit in an open space, elevated and out of reach of children, and away from power outlets.

Opt for a model equipped with an automatic shut-off feature. This mechanism prevents overheating and reduces the risk of electrical shorts when the water reservoir runs dry. Some humidifiers also have a mode that automatically turns off once a set humidity level is reached or after a specific duration, preventing overly humid air that can cause discomfort and mold.

Use filtered or demineralized water. The moisture from the device helps thin mucus, aiding in the relief of nasal congestion. However, tap water often contains minerals and impurities that can lead to scale buildup or release fine particles into the air. Therefore, using filtered, distilled, or demineralized water is recommended to minimize potential adverse effects on the respiratory tract.

Regularly clean the humidifier and avoid leaving standing water. Always unplug the unit, empty the water tank, and clean the device frequently to remove mineral deposits, mold, and bacteria. After cleaning, ensure all parts are dry before reassembling for use. If the humidifier will not be used immediately, discard any remaining water in the tank to prevent microbial growth and subsequent dispersion into the air when the machine is started. The device should be cleaned approximately every three days.

By Anh Chi (According to EveryDay Health)