The US Food and Drug Administration today approved the first generic versions of Aciphex (rabeprazole sodium) delayed-release tablets, used to treat gastroesophageal reflux disease (GERD) in adults and adolescents (ages 12 and up).

The FDA is informing the public that prescription proton pump inhibitor (PPI) drugs may cause low serum magnesium levels ( hypomagnesemia ) if taken for prolonged periods of time (in most cases, longer than one year).