Singapore, June 2 -- Eisai Co. has announced the launch of Pariet(R) S"(pharmaceutical requiring guidance), which is highly effective in alleviating severe heartburn and stomach pain caused by gastric acid reflux, at pharmacies and drugstores throughout Japan.

Pariet S is the first proton pump inhibitor (PPI 2) to receive manufacturing and marketing approval as an over the counter (OTC) medicine in Japan. Rabeprazole sodium, in an amount equivalent to that used in the prescription product, works directly on the proton pumps that produce stomach acid, effectively alleviating severe heartburn caused by gastric acid reflux and stomach pain due to excessive acid secretion. The medicine comes in small, easy-to-swallow tablets, with a once-dai...