New Study Links Bad Breath to Heartburn, GERD

A common prescription medicine class used to treat chronic heartburn and acid reflux disease (GERD) was linked to halitosis, or bad breath, in a study presented at the 71st Annual Scientific Meeting of the American College of Gastroenterology.

Doctors at UNIFESP in Sao Paulo, Brazil, examined 23 adult patients with GERD (mean age 54 years) and 17 adult patients with dyspepsia (mean age 56 years) in May 2006 to ascertain the relationship between halitosis and GERD. The results showed that 39 percent of the GERD patients suffered from halitosis and that treatment with a proton pump inhibitor (PPI) was deemed a factor in at least 75 percent of the cases. Dyspepsia did not seem to be a leading cause of halitosis, with just 18 percent of the dyspepsia patients suffering from bad breath. No gender differences were observed in the GERD group.

"Once we excluded oral causes of halitosis, we discovered that bacteria overgrowth associated with PPI usage might play a role in causing bad breath,” said Luciana Camacho-Lobato, MD, Ph.D of UNIFESP. “It certainly is worth further investigating this matter.”

Source: American College of Gastroenterology (ACG)

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