Link Between Heartburn Medication and Dementia Found by New Research

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From Harvard:

A new study has shed light on one of the long-term effects of proton pump inhibitors (PPIs). These drugs are commonly used to treat gastroesophageal reflux disease (GERD), heartburn, and peptic ulcers. PPIs (omeprazole, lansoprazole, esomeprazole, pantoprazole, and others) help reduce the amount of stomach acid made by glands in the lining of the stomach.

Continue Reading online on February 15 in JAMA Neurology showed that there may be an association between chronic use of PPIs and an increased risk of dementia. Experts compared prescription PPI intake and diagnosis of dementia among approximately 74,000 adults ages 75 and older. In the study, chronic PPI use was defined as at least one prescription every three months in an 18-month window. The most common PPIs in use were omeprazole (Prilosec), pantoprazole (Protonix), and esomeprazole (Nexium). All participants were free of dementia at the study’s beginning. Yet, after the eight-year follow-up, chronic PPI users had a 44% increased risk of dementia compared with those who did not take any medication. Men were at a slightly higher risk than women. Occasional users of PPIs had a much lower risk.

Putting the results in perspective

The researchers were quick to stress that this study only provided a statistical association between PPI use and risk of dementia, and that taking PPIs does not automatically mean you will get dementia. However, the study continues the ongoing discussion about the impact of long-term medication use, according to Dr. Houman Javedan, clinical director of inpatient geriatrics at Harvard-affiliated Brigham and Women’s Hospital. “Older adults take more medications as they age, and often continue them long after they are still necessary,” he says. “They either get used to taking it, and do not think to ask their doctor if they should stop, or they are afraid of what might happen if they do.”

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