
Can Nexium Cause Alzheimer's Disease?

there's no definite answer...
Detailed Answer:
Hello,
although there are studies linking nexium use (and other proton pump inhibitors, PPI) and Alzheimer's disease (AD) there's no proof that the drug is the cause. The studies focused on prescription data mostly and there is indeed a relation. One study showed that people who used PPI for a long time, had 44% more AD. Despite that, there is no certainty that the cause was the PPI.
Some potential mechanisms have been suggested, like reduced absorption of vitamin B12 or a direct effect of PPI on the brain, but no study has addressed this issue completely.
Alternatives include H2-receptor antagonists, prostaglandins, antacids.
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