Nasal congestion as long as needed, but nasal sprays can also cause "rebound" (Rhinitis medicamentosa) and worsen the congestion if taken for more than a few days. Therefore, you should only take nasal sprays when discomfort cannot be remedied by other methods, and never for more than three days. If an infant is unable to breathe because of a plugged nose, a nasal aspirator may be useful to remove the mucus. The mucus might be thick and sticky, making it difficult to expel from the nostril. Nasal congestion Nasal congestion is the blockage of the nasal passages usually due to membranes lining
Nasal concha in the ankylosaurid dinosaur "Saichania". Nasal concha In anatomy, a nasal concha (), plural conchae (), also called a turbinate or turbinal, is a long, narrow, curled shelf of bone that protrudes into the breathing passage of the nose in humans and various animals. The conchae are shaped like an elongated seashell, which gave them their name (Latin "concha" from Greek "κόγχη"). A concha is any of the scrolled spongy bones of the nasal passages in vertebrates. In humans, the conchae divide the nasal airway into 4 groove-like air passages, and are responsible for forcing inhaled air to flow in