Absorption: the oral bioavailability of Rabeprazole is 52%, Levosulpiride is 30%. Peak plasma concentration Rabeprazole is 3.5 hrs, Levosulpiride is 3hrs, Rabeprazole: It is a PPI. It suppresses gastric acid secretion by inhibiting the gastric H+K+ ATP ase at the secretory surface of the gastric parietal cell Patients with known hypersensitivity to Rabeprazole or Levosulpiride or any excipient used in the formulation.