Popular decongestant creates breathing distress in infantsJanuary 13th, 2009 - 8:21 pm ICT by IANS
Washington, Jan 13 (IANS) A popular menthol compound used for relieving symptoms of cough and congestion, instead creates breathing distress in infants and small children, according to the latest research. The study said the product may stimulate mucus production and airway inflammation, which can have severe effects on breathing of infants or young children because of the small size of their airways.
“The ingredients in Vicks (VapoRub) can be irritants, causing the body to produce more mucus to protect the airway,” said Bruce K. Rubin, co-author of the study and a professor of paediatrics at the Brenner Children’s Hospital, part of Wake Forest Baptist.
“Infants and young children have airways that are much narrower than those of adults, so any increase in mucus or inflammation can narrow them more severely.”
Vicks® VapoRub® was first compounded in 1891, in Greensboro. It was introduced in 1905 with the name Vick’s Magic Croup Salve. The flu epidemic of 1918 increased sales from $900,000 to $2.9 million in just one year and Procter and Gamble has since marketed the product as “the only thing more powerful than a mother’s touch.”
The salve is widely used to relieve symptoms of colds and congestion, but there are few data supporting an actual clinical benefit, according to Rubin.
Vicks has been reported to cause inflammation in the eyes, mental status changes, lung inflammation, liver damage, constriction of airways and allergic reactions.
Interest in conducting the study developed after Rubin and colleagues treated an infant who was taken to the emergency room after developing severe respiratory distress following the application of Vicks directly under her nose.
Researchers sought to determine the effect of the product on the respiratory system using ferrets, which have an airway anatomy and cellular composition similar to humans.
The team conducted tests on healthy ferrets and ferrets that had tracheal inflammation (simulating a person with a chest infection) that measured the effects of Vicks on mucus secretion and buildup in the airways, and fluid buildup in the lungs.
Results showed that Vicks exposure increased mucus secretion in both normal and inflamed airways. In addition, the studies showed that exposure to the product decreased the rate by which mucus was cleared from the trachea.
The findings support current product labelling, which indicates the product should not be used on children under two years of age. However, many parents continue to use Vicks on their sick children, often rubbing the salve on the feet or chest, Rubin said, according to a Wake Forest release.
“I recommend never putting Vicks in, or under, the nose of anybody - adult or child,” Rubin said. “I also would follow the directions and never use it at all on children under age two,” said Rubin.
“Some of the ingredients in Vicks, notably the menthol, trick the brain into thinking that it is easier to breathe by triggering a cold sensation, which is processed as indicating more airflow,” he said. “Vicks may make you feel better but it can’t help you breathe better.”
In addition to Vicks® VapoRub®, decongestants are not recommended for young children.
These findings appears in the current month’s issue of Chest, the peer-reviewed journal of the American College of Chest Physicians.
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Tags: airway inflammation, bruce k rubin, clinical benefit, constriction, epidemic of 1918, ferrets, flu epidemic of 1918, increased sales, infants and young children, liver damage, lung inflammation, mental status changes, mucus production, paediatrics, popular decongestant, procter and gamble, respiratory distress, respiratory system, s hospital, vicks vaporub