| As altitude increases, absolute air humidity decreases. Dry air puts a strain in the mucose of the respiratory tract and causes dry coughing without expectorations. As a consequence, the irritated mucose form an ideal breeding ground for bacteria. Cough pills and lots of liquids have a preventive effect. Dry nasal mucose provokes nasal hemorrhage and bad sleep. Mentholated creams, easy to find in Chile, irrigate the nasal mucose keeping it humid. As an alternative, drops of an isotonic saline solution mixed with a couple of drops of glycerin can be used. |
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